diff --git a/TODO.md b/TODO.md
index a5e52152..da145c6b 100644
--- a/TODO.md
+++ b/TODO.md
@@ -430,7 +430,6 @@ mkhomedir_helper or create ssh homes with bash.rc and such
 # Automatically re-run backends until success? only timedout executions?
 # TODO save serialized versions ob backendoperation.instance in order to allow backend reexecution of deleted objects
 
-# upgrade to django 1.9 and make margins wider
 # lets encrypt: DNS vs HTTP challange
 # lets enctypt: autorenew
 
@@ -459,8 +458,7 @@ with open(file) as handler:
     os.unlink(file)
 
 
-# change filter By PHP version: by detail
-
 # Mark transaction process as executed should not override higher transaction states
+# Bill amend and related transaction, what to do? allow edit transaction ammount of amends when their are pending execution
 
-# mailbox.addresses get_Queryset SQL contact @ with mailboxes and forwards
+# DASHBOARD: Show owned tickets, scheduled actions, maintenance operations (diff domains)
diff --git a/orchestra/admin/options.py b/orchestra/admin/options.py
index deee5194..f49be37d 100644
--- a/orchestra/admin/options.py
+++ b/orchestra/admin/options.py
@@ -142,6 +142,7 @@ class ChangeViewActionsMixin(object):
             view.tool_description = tool_description
             view.css_class = getattr(action, 'css_class', 'historylink')
             view.help_text = getattr(action, 'help_text', '')
+            view.hidden = getattr(action, 'hidden', False)
             views.append(view)
         return views
     
@@ -150,7 +151,7 @@ class ChangeViewActionsMixin(object):
             kwargs['extra_context'] = {}
         obj = self.get_object(request, unquote(object_id))
         kwargs['extra_context']['object_tools_items'] = [
-            action.__dict__ for action in self.get_change_view_actions(obj)
+            action.__dict__ for action in self.get_change_view_actions(obj) if not action.hidden
         ]
         return super().change_view(request, object_id, **kwargs)
 
diff --git a/orchestra/contrib/bills/actions.py b/orchestra/contrib/bills/actions.py
index f288b4b0..058d66fa 100644
--- a/orchestra/contrib/bills/actions.py
+++ b/orchestra/contrib/bills/actions.py
@@ -32,6 +32,7 @@ def view_bill(modeladmin, request, queryset):
     return HttpResponse(html)
 view_bill.tool_description = _("View")
 view_bill.url_name = 'view'
+view_bill.hidden = True
 
 
 @transaction.atomic
diff --git a/orchestra/contrib/bills/admin.py b/orchestra/contrib/bills/admin.py
index d4604b39..55bd3569 100644
--- a/orchestra/contrib/bills/admin.py
+++ b/orchestra/contrib/bills/admin.py
@@ -102,6 +102,7 @@ class ClosedBillLineInline(BillLineInline):
         'display_subtotal', 'display_total'
     )
     readonly_fields = fields
+    can_delete = False
     
     def display_description(self, line):
         descriptions = [line.description]
@@ -127,9 +128,6 @@ class ClosedBillLineInline(BillLineInline):
     
     def has_add_permission(self, request):
         return False
-    
-    def has_delete_permission(self, request, obj=None):
-        return False
 
 
 class BillLineAdmin(admin.ModelAdmin):
@@ -243,7 +241,77 @@ class BillLineManagerAdmin(BillLineAdmin):
         return super().changelist_view(request, context)
 
 
-class BillAdmin(AccountAdminMixin, ExtendedModelAdmin):
+class BillAdminMixin(AccountAdminMixin):
+    def display_total_with_subtotals(self, bill):
+        if bill.pk:
+            currency = settings.BILLS_CURRENCY.lower()
+            subtotals = []
+            for tax, subtotal in bill.compute_subtotals().items():
+                subtotals.append(_("Subtotal %s%% VAT   %s &%s;") % (tax, subtotal[0], currency))
+                subtotals.append(_("Taxes %s%% VAT   %s &%s;") % (tax, subtotal[1], currency))
+            subtotals = '\n'.join(subtotals)
+            return '<span title="%s">%s &%s;</span>' % (subtotals, bill.compute_total(), currency)
+    display_total_with_subtotals.allow_tags = True
+    display_total_with_subtotals.short_description = _("total")
+    display_total_with_subtotals.admin_order_field = 'approx_total'
+
+    def display_payment_state(self, bill):
+        if bill.pk:
+            t_opts = bill.transactions.model._meta
+            if bill.get_type() == bill.PROFORMA:
+                return '<span title="Pro forma">---</span>'
+            transactions = bill.transactions.all()
+            if len(transactions) == 1:
+                args = (transactions[0].pk,)
+                view = 'admin:%s_%s_change' % (t_opts.app_label, t_opts.model_name)
+                url = reverse(view, args=args)
+            else:
+                url = reverse('admin:%s_%s_changelist' % (t_opts.app_label, t_opts.model_name))
+                url += '?bill=%i' % bill.pk
+            state = bill.get_payment_state_display().upper()
+            title = ''
+            if bill.closed_amends:
+                state = '<strike>%s*</strike>' % state
+                title = _("This bill has been amended, this value may not be valid.")
+            color = PAYMENT_STATE_COLORS.get(bill.payment_state, 'grey')
+            return '<a href="{url}" style="color:{color}" title="{title}">{name}</a>'.format(
+                url=url, color=color, name=state, title=title)
+    display_payment_state.allow_tags = True
+    display_payment_state.short_description = _("Payment")
+
+    def get_queryset(self, request):
+        qs = super().get_queryset(request)
+        qs = qs.annotate(
+            models.Count('lines'),
+            # FIXME https://code.djangoproject.com/ticket/10060
+            approx_total=Coalesce(Sum(
+                (F('lines__subtotal') + Coalesce('lines__sublines__total', 0)) * (1+F('lines__tax')/100),
+            ), 0),
+        )
+        qs = qs.prefetch_related(
+            Prefetch('amends', queryset=Bill.objects.filter(is_open=False), to_attr='closed_amends')
+        )
+        return qs.defer('html')
+
+
+class AmendInline(BillAdminMixin, admin.TabularInline):
+    model = Bill
+    fields = (
+        'self_link', 'type', 'display_total_with_subtotals', 'display_payment_state', 'is_open',
+        'is_sent'
+    )
+    readonly_fields = fields
+    verbose_name_plural = _("Amends")
+    can_delete = False
+    extra = 0
+    
+    self_link = admin_link('__str__')
+    
+    def has_add_permission(self, *args, **kwargs):
+        return False
+
+
+class BillAdmin(BillAdminMixin, ExtendedModelAdmin):
     list_display = (
         'number', 'type_link', 'account_link', 'closed_on_display', 'updated_on_display',
         'num_lines', 'display_total', 'display_payment_state', 'is_sent'
@@ -256,9 +324,8 @@ class BillAdmin(AccountAdminMixin, ExtendedModelAdmin):
     change_list_template = 'admin/bills/bill/change_list.html'
     fieldsets = (
         (None, {
-            'fields': ['number', 'type', 'amend_of_link', 'account_link',
-                       'display_total_with_subtotals', 'display_payment_state',
-                       'is_sent', 'comments'],
+            'fields': ['number', 'type', (), 'account_link', 'display_total_with_subtotals',
+                       'display_payment_state', 'is_sent', 'comments'],
         }),
         (_("Dates"), {
             'classes': ('collapse',),
@@ -281,31 +348,26 @@ class BillAdmin(AccountAdminMixin, ExtendedModelAdmin):
         actions.amend_bills, actions.bill_report, actions.service_report,
         actions.close_send_download_bills, list_accounts,
     ]
-    change_readonly_fields = (
-        'account_link', 'type', 'is_open', 'amend_of_link', 'amend_links'
-    )
+    change_readonly_fields = ('account_link', 'type', 'is_open', 'amend_of_link')
     readonly_fields = (
         'number', 'display_total', 'is_sent', 'display_payment_state', 'created_on_display',
         'closed_on_display', 'updated_on_display', 'display_total_with_subtotals',
     )
-    inlines = [BillLineInline, ClosedBillLineInline]
     date_hierarchy = 'closed_on'
-    # TODO when merged https://github.com/django/django/pull/5213
-    #approximate_date_hierarchy = admin.ApproximateWith.MONTHS
     
     created_on_display = admin_date('created_on', short_description=_("Created"))
     closed_on_display = admin_date('closed_on', short_description=_("Closed"))
     updated_on_display = admin_date('updated_on', short_description=_("Updated"))
     amend_of_link = admin_link('amend_of')
     
-    def amend_links(self, bill):
-        links = []
-        for amend in bill.amends.all():
-            url = reverse('admin:bills_bill_change', args=(amend.id,))
-            links.append('<a href="{url}">{num}</a>'.format(url=url, num=amend.number))
-        return '<br>'.join(links)
-    amend_links.short_description = _("Amends")
-    amend_links.allow_tags = True
+#    def amend_links(self, bill):
+#        links = []
+#        for amend in bill.amends.all():
+#            url = reverse('admin:bills_bill_change', args=(amend.id,))
+#            links.append('<a href="{url}">{num}</a>'.format(url=url, num=amend.number))
+#        return '<br>'.join(links)
+#    amend_links.short_description = _("Amends")
+#    amend_links.allow_tags = True
     
     def num_lines(self, bill):
         return bill.lines__count
@@ -319,18 +381,6 @@ class BillAdmin(AccountAdminMixin, ExtendedModelAdmin):
     display_total.short_description = _("total")
     display_total.admin_order_field = 'approx_total'
     
-    def display_total_with_subtotals(self, bill):
-        currency = settings.BILLS_CURRENCY.lower()
-        subtotals = []
-        for tax, subtotal in bill.compute_subtotals().items():
-            subtotals.append(_("Subtotal %s%% VAT   %s &%s;") % (tax, subtotal[0], currency))
-            subtotals.append(_("Taxes %s%% VAT   %s &%s;") % (tax, subtotal[1], currency))
-        subtotals = '\n'.join(subtotals)
-        return '<span title="%s">%s &%s;</span>' % (subtotals, bill.compute_total(), currency)
-    display_total_with_subtotals.allow_tags = True
-    display_total_with_subtotals.short_description = _("total")
-    display_total_with_subtotals.admin_order_field = 'approx_total'
-    
     def type_link(self, bill):
         bill_type = bill.type.lower()
         url = reverse('admin:bills_%s_changelist' % bill_type)
@@ -339,27 +389,6 @@ class BillAdmin(AccountAdminMixin, ExtendedModelAdmin):
     type_link.short_description = _("type")
     type_link.admin_order_field = 'type'
     
-    def display_payment_state(self, bill):
-        t_opts = bill.transactions.model._meta
-        transactions = bill.transactions.all()
-        if len(transactions) == 1:
-            args = (transactions[0].pk,)
-            view = 'admin:%s_%s_change' % (t_opts.app_label, t_opts.model_name)
-            url = reverse(view, args=args)
-        else:
-            url = reverse('admin:%s_%s_changelist' % (t_opts.app_label, t_opts.model_name))
-            url += '?bill=%i' % bill.pk
-        state = bill.get_payment_state_display().upper()
-        title = ''
-        if bill.closed_amends:
-            state = '<strike>%s*</strike>' % state
-            title = _("This bill has been amended, this value may not be valid.")
-        color = PAYMENT_STATE_COLORS.get(bill.payment_state, 'grey')
-        return '<a href="{url}" style="color:{color}" title="{title}">{name}</a>'.format(
-            url=url, color=color, name=state, title=title)
-    display_payment_state.allow_tags = True
-    display_payment_state.short_description = _("Payment")
-    
     def get_urls(self):
         """ Hook bill lines management URLs on bill admin """
         urls = super().get_urls()
@@ -381,10 +410,11 @@ class BillAdmin(AccountAdminMixin, ExtendedModelAdmin):
         fieldsets = super().get_fieldsets(request, obj)
         if obj:
             # Switches between amend_of_link and amend_links fields
+            fields = fieldsets[0][1]['fields']
             if obj.amend_of_id:
-                fieldsets[0][1]['fields'][2] = 'amend_of_link'
+                fields[2] = 'amend_of_link'
             else:
-                fieldsets[0][1]['fields'][2] = 'amend_links'
+                fields[2] = ()
             if obj.is_open:
                 fieldsets = fieldsets[0:-1]
         return fieldsets
@@ -400,10 +430,15 @@ class BillAdmin(AccountAdminMixin, ExtendedModelAdmin):
         return [action for action in actions if action.__name__ not in exclude]
     
     def get_inline_instances(self, request, obj=None):
-        inlines = super().get_inline_instances(request, obj)
+        cls = type(self)
         if obj and not obj.is_open:
-            return [inline for inline in inlines if type(inline) != BillLineInline]
-        return [inline for inline in inlines if type(inline) != ClosedBillLineInline]
+            if obj.amends.all():
+                cls.inlines = [AmendInline, ClosedBillLineInline]
+            else:
+                cls.inlines = [ClosedBillLineInline]
+        else:
+            cls.inlines = [BillLineInline]
+        return super().get_inline_instances(request, obj)
     
     def formfield_for_dbfield(self, db_field, **kwargs):
         """ Make value input widget bigger """
@@ -416,20 +451,6 @@ class BillAdmin(AccountAdminMixin, ExtendedModelAdmin):
             formfield.queryset = formfield.queryset.filter(is_open=False)
         return formfield
     
-    def get_queryset(self, request):
-        qs = super().get_queryset(request)
-        qs = qs.annotate(
-            models.Count('lines'),
-            # FIXME https://code.djangoproject.com/ticket/10060
-            approx_total=Coalesce(Sum(
-                (F('lines__subtotal') + Coalesce('lines__sublines__total', 0)) * (1+F('lines__tax')/100),
-            ), 0),
-        )
-        qs = qs.prefetch_related(
-            Prefetch('amends', queryset=Bill.objects.filter(is_open=False), to_attr='closed_amends')
-        )
-        return qs.defer('html')
-    
     def change_view(self, request, object_id, **kwargs):
         # TODO raise404, here and everywhere
         bill = self.get_object(request, unquote(object_id))
diff --git a/orchestra/contrib/bills/filters.py b/orchestra/contrib/bills/filters.py
index 091c49c8..27a4b239 100644
--- a/orchestra/contrib/bills/filters.py
+++ b/orchestra/contrib/bills/filters.py
@@ -140,20 +140,21 @@ class AmendedListFilter(SimpleListFilter):
     
     def lookups(self, request, model_admin):
         return (
-            ('1', _("Closed amends")),
-            ('-1', _("Open or closed amends")),
-            ('0', _("No closed amends")),
-            ('-0', _("No amends")),
+            ('1', _("Amended")),
+            ('2', _("Open amends")),
+            ('3', _("Closed amends")),
+            ('0', _("No amends")),
         )
     
     def queryset(self, request, queryset):
         if self.value() is None:
             return queryset
-        amended = queryset.filter(type__in=Bill.AMEND_MAP.values(), amend_of__isnull=False)
-        if not self.value().startswith('-'):
-            amended = amended.filter(is_open=False)
-        amended_ids = amended.distinct().values_list('amend_of_id', flat=True)
-        if self.value().endswith('1'):
-            return queryset.filter(id__in=amended_ids)
-        else:
-            return queryset.exclude(id__in=amended_ids)
+        amended = queryset.filter(amends__isnull=False)
+        if self.value() == '1':
+            return amended.distinct()
+        elif self.value() == '2':
+            return amended.filter(amends__is_open=True).distinct()
+        elif self.value() == '3':
+            return amended.filter(amends__is_open=False).distinct()
+        elif self.value() == '0':
+            return queryset.filter(amends__isnull=True).distinct()
diff --git a/orchestra/contrib/bills/models.py b/orchestra/contrib/bills/models.py
index 3b29356d..5a6453ed 100644
--- a/orchestra/contrib/bills/models.py
+++ b/orchestra/contrib/bills/models.py
@@ -1,6 +1,7 @@
 import datetime
 from dateutil.relativedelta import relativedelta
 
+from django.core.urlresolvers import reverse
 from django.core.validators import ValidationError, RegexValidator
 from django.db import models
 from django.db.models import F, Sum
@@ -254,6 +255,9 @@ class Bill(models.Model):
             return now + payment.get_due_delta()
         return now + relativedelta(months=1)
     
+    def get_absolute_url(self):
+        return reverse('admin:bills_bill_view', args=(self.pk,))
+    
     def close(self, payment=False):
         if not self.is_open:
             raise TypeError("Bill not in Open state.")
diff --git a/orchestra/contrib/bills/templates/bills/microspective-proforma.html b/orchestra/contrib/bills/templates/bills/microspective-proforma.html
index 8efbfbd3..92400244 100644
--- a/orchestra/contrib/bills/templates/bills/microspective-proforma.html
+++ b/orchestra/contrib/bills/templates/bills/microspective-proforma.html
@@ -7,3 +7,7 @@
     {% endwith %}
 </style>
 {% endblock %}
+
+
+{% block payment %}
+{% endblock %}
diff --git a/orchestra/contrib/bills/templates/bills/microspective.html b/orchestra/contrib/bills/templates/bills/microspective.html
index 52091115..6992d456 100644
--- a/orchestra/contrib/bills/templates/bills/microspective.html
+++ b/orchestra/contrib/bills/templates/bills/microspective.html
@@ -140,6 +140,7 @@
         </div>
     </div>
     <div id="footer-column-2">
+        {% block payment %}
         <div id="payment">
             <span class="title">{% trans "PAYMENT" %}</span>
                 {% if payment.message %}
@@ -153,6 +154,8 @@
                     <strong>{{ seller_info.bank_account }}</strong>
                 {% endif %}
         </div>
+        {% endblock %}
+        {% block questions %}
         <div id="questions">
             <span class="title">{% trans "QUESTIONS" %}</span>
             {% blocktrans with type=bill.get_type_display.lower email=seller_info.email %}
@@ -161,6 +164,7 @@
             your message.
             {% endblocktrans %}
         </div>
+        {% endblock %}
     </div>
 </div>
 </div>
diff --git a/orchestra/contrib/payments/admin.py b/orchestra/contrib/payments/admin.py
index 7814d1d7..74041bb8 100644
--- a/orchestra/contrib/payments/admin.py
+++ b/orchestra/contrib/payments/admin.py
@@ -109,7 +109,6 @@ class TransactionAdmin(SelectAccountAdminMixin, ExtendedModelAdmin):
     search_fields = ('bill__number', 'bill__account__username', 'id')
     actions = change_view_actions + (actions.report, list_accounts,)
     filter_by_account_fields = ('bill', 'source')
-    change_readonly_fields = ('amount', 'currency')
     readonly_fields = (
         'bill_link', 'display_state', 'process_link', 'account_link', 'source_link',
         'display_created_at', 'display_modified_at'
@@ -133,6 +132,11 @@ class TransactionAdmin(SelectAccountAdminMixin, ExtendedModelAdmin):
             del actions['delete_selected']
         return actions
     
+    def get_change_readonly_fields(self, request, obj):
+        if obj.state in (Transaction.WAITTING_PROCESSING, Transaction.WAITTING_EXECUTION):
+            return ()
+        return ('amount', 'currency')
+    
     def get_change_view_actions(self, obj=None):
         actions = super(TransactionAdmin, self).get_change_view_actions()
         exclude = []
diff --git a/orchestra/contrib/services/templates/admin/services/service/update_orders.html b/orchestra/contrib/services/templates/admin/services/service/update_orders.html
index ea171f09..01882218 100644
--- a/orchestra/contrib/services/templates/admin/services/service/update_orders.html
+++ b/orchestra/contrib/services/templates/admin/services/service/update_orders.html
@@ -10,21 +10,21 @@
     <table id="result_list">
     <thead>
         <tr>
-        <th scope="col"><div class="text"><span>Action</span</div></th>
-        <th scope="col"><div class="text"><span>ID</span</div></th>
-        <th scope="col"><div class="text"><span>Service</span</div></th>
-        <th scope="col"><div class="text"><span>Account</span</div></th>
-        <th scope="col"><div class="text"><span>Content object</span</div></th>
-        <th scope="col"><div class="text"><span>Registered on</span</div></th>
-        <th scope="col"><div class="text"><span>Billed until</span</div></th>
-        <th scope="col"><div class="text"><span>Cancelled on</span</div>
-        </th>
+            <th scope="col"><div class="text">Action</div></th>
+            <th scope="col"><div class="text">ID</div></th>
+            <th scope="col"><div class="text">Service</div></th>
+            <th scope="col"><div class="text">Account</div></th>
+            <th scope="col"><div class="text">Content object</div></th>
+            <th scope="col"><div class="text">Registered on</div></th>
+            <th scope="col"><div class="text">Billed until</div></th>
+            <th scope="col"><div class="text">Cancelled on</div></th>
+            <th scope="col"><div class="text">Ignored</div></th>
         </tr>
     </thead>
     <tbody>
     {% for order, action in updates %}
         <tr class="{% if forloop.counter|divisibleby:2 %}row2{% else %}row1{% endif %}">
-            <th>{{ action }}</th>
+            <th>{{ action.capitalize }}</th>
             <td>{% if order.pk %}<a href="{{ order | admin_url }}">{{ order.id }}</a>{% endif %}</td>
             <td><a href="{{ order.service | admin_url }}">{{ order.service }}</a></td>
             <td><a href="{{ order.account | admin_url }}">{{ order.account }}</a></td>
@@ -32,6 +32,7 @@
             <td><span title="{{ order.registered_on }}">{{ order.registered_on }}</span></td>
             <td><span title="{{ order.billed_unitl }}">{{ order.billed_unitl }}</span></td>
             <td>{{ order.canncelled_on }}</td>
+            <td><img src="/static/admin/img/icon-{% if order.ignore %}yes{% else %}no{% endif %}.svg"></td>
         </tr>
     {% endfor %}
     </tbody>
diff --git a/orchestra/contrib/systemusers/backends.py b/orchestra/contrib/systemusers/backends.py
index 9b1d5099..d126f807 100644
--- a/orchestra/contrib/systemusers/backends.py
+++ b/orchestra/contrib/systemusers/backends.py
@@ -262,7 +262,7 @@ class UNIXUserDisk(ServiceMonitor):
         super(UNIXUserDisk, self).prepare()
         self.append(textwrap.dedent("""\
             function monitor () {
-                { du -bs "$1" || echo 0; } | awk {'print $1'}
+                { SIZE=$(du -bs "$1") && echo $SIZE || echo 0; } | awk {'print $1'}
             }"""
         ))
     
diff --git a/orchestra/contrib/webapps/filters.py b/orchestra/contrib/webapps/filters.py
index bbf1cce3..a79cd228 100644
--- a/orchestra/contrib/webapps/filters.py
+++ b/orchestra/contrib/webapps/filters.py
@@ -27,7 +27,7 @@ class DetailListFilter(SimpleListFilter):
     parameter_name = 'detail'
     
     def lookups(self, request, model_admin):
-        ret = set()
+        ret = set([('empty', _("Empty"))])
         lookup_map = {}
         for apptype in AppType.get_plugins():
             for field, values in apptype.get_detail_lookups().items():
@@ -35,11 +35,13 @@ class DetailListFilter(SimpleListFilter):
                     lookup_map[value[0]] = field
                     ret.add(value)
         self.lookup_map = lookup_map
-        return sorted(list(ret))
+        return sorted(list(ret), key=lambda e: e[1])
     
     def queryset(self, request, queryset):
         value = self.value()
         if value:
+            if value == 'empty':
+                return queryset.filter(data={})
             try:
                 field = self.lookup_map[value]
             except KeyError: