Add agency code
Add item code
Add items
Add locations
Add orders
Add order items
habtm gem does not work :boom:
Add join table between agencies and locations.
Add join table between agencies and agency codes
Add relations to orders
Add location ref to order.
Add item code reference to items
Add join table between agency codes and item codes.
Add missing item nad order_item relation
reorder relations on location
Add tables for model relations
Merge pull request #3 from thomas-holmes/add-some-models

Add some models