finance/bill: rename

jdav_web/finance/admin.py

@@ -307,6 +307,6 @@ class TransactionAdmin(admin.ModelAdmin):
 
 @admin.register(Bill)
 class BillAdmin(admin.ModelAdmin):
-    list_display = ['__str__', 'statement', 'short_description', 'pretty_amount', 'paid_by', 'refunded']
+    list_display = ['__str__', 'statement', 'explanation', 'pretty_amount', 'paid_by', 'refunded']
     list_filter = ('statement', 'paid_by', 'refunded')
     search_fields = ('reference', 'statement')

jdav_web/finance/locale/de/LC_MESSAGES/django.po

@@ -266,12 +266,12 @@ msgstr "Beleg"
 
 #: finance/models.py:429 finance/models.py:436 finance/models.py:449
 msgid "Bill"
-msgstr "Quittung"
+msgstr "Ausgabe"
 
 #: finance/models.py:430 finance/models.py:437 finance/models.py:450
 #: finance/templates/admin/overview_submitted_statement.html:26
 msgid "Bills"
-msgstr "Quittungen"
+msgstr "Ausgaben"
 
 #: finance/models.py:462 finance/templates/admin/confirmed_statement.html:37
 #: finance/templates/admin/overview_submitted_statement.html:99