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

app/models/financial_transaction.rb

@@ -1,11 +1,18 @@
+# == 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
+#
+
 # financial transactions are the foodcoop internal financial transactions
 # only order_groups have an account  balance and are happy to transfer money
-# 
-# financial transaction have the following attributes:
-# * order_group_id      (int)
-# * amount	           (decimal)
-# * note            (text)
-# * created_on      (datetime)
 class FinancialTransaction < ActiveRecord::Base
   belongs_to :order_group
   belongs_to :user