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

test/fixtures/financial_transactions.yml

@@ -1,3 +1,16 @@
+# == Schema Information
+# Schema version: 20090102171850
+#
+# Table name: financial_transactions
+#
+#  id             :integer(4)      not null, primary key
+#  order_group_id :integer(4)      default(0), not null
+#  amount         :decimal(8, 2)   default(0.0), not null
+#  note           :text            default(""), not null
+#  user_id        :integer(4)      default(0), not null
+#  created_on     :datetime        not null
+#
+
 # Read about fixtures at http://ar.rubyonrails.org/classes/Fixtures.html
 first:
   id: 1