[#4181] Add a total field to deliverables.

db/migrate/003_add_total_to_deliverables.rb

@@ -0,0 +1,11 @@
+class AddTotalToDeliverables < ActiveRecord::Migration
+  def self.up
+    add_column :deliverables, :total, :decimal, :precision => 15, :scale => 2
+
+    add_index :deliverables, :total
+  end
+
+  def self.down
+    remove_column :deliverables, :total
+  end
+end