[#6441] Add a manual Contract#status

db/migrate/018_add_status_to_contracts.rb

@@ -0,0 +1,10 @@
+class AddStatusToContracts < ActiveRecord::Migration
+  def self.up
+    add_column :contracts, :status, :string
+    add_index :contracts, :status
+  end
+
+  def self.down
+    remove_column :contracts, :status
+  end
+end