add support for minutes

see #617

TODO now it is not possible to select the related sittings from the minute.
this seems a problem due to how django treats many-to-one relations (and
their admin interfaces)

open_municipio/acts/admin.py

@@ -289,7 +289,6 @@ class ActInSpeechInline(admin.TabularInline):
     raw_id_fields = ('act', )
 
 
-
 class SpeechAdmin(admin.ModelAdmin):
 
     form = SpeechAdminForm
@@ -301,6 +300,7 @@ class SpeechAdmin(admin.ModelAdmin):
 
     list_filter = ( SpeechByYearFilterSpec, SpeechByMonthFilterSpec, )
 
+
 class AttachAdmin(admin.ModelAdmin):
 
     list_display = ('title','document_date','document_type','act_title','act_type')
@@ -462,6 +462,12 @@ def recipients(self, obj):
         return ",".join(names)
     recipients.short_description = _("recipients")
 
+
+class MinuteAdmin(ActAdmin):
+
+    pass
+
+
 admin.site.register(Act, ActAdmin)
 
 # The following two lines restore the default admin for the class Act
@@ -485,3 +491,5 @@ def recipients(self, obj):
 admin.site.register(Decision, DecisionAdmin)
 admin.site.register(Commitment, CommitmentAdmin)
 admin.site.register(Audit, AuditAdmin)
+
+admin.site.register(Minute, MinuteAdmin)