Introduced invoices and deliveries. Integration (especially of deliveries) isn't finished yet.

test/fixtures/memberships.yml

@@ -1,3 +1,13 @@
+# == Schema Information
+# Schema version: 20090102171850
+#
+# Table name: memberships
+#
+#  id       :integer(4)      not null, primary key
+#  group_id :integer(4)      default(0), not null
+#  user_id  :integer(4)      default(0), not null
+#
+
 # Read about fixtures at http://ar.rubyonrails.org/classes/Fixtures.html
 first:
   id: 1
@@ -7,4 +17,4 @@ another:
   id: 2
   group_id: 1
   user_id: 2  
-  
+