Order.decrease_quantity
remove child order items when removing a parent item
issue #27 - link marketing material banner home page by user city
Added
Restaurant 	has_many "favourites"
				has_many "advertisements"
Order	submit_to_restaurants
Modified the method to return new order/s back to be refered by orders share links
Order new scope "to_share"
Included etatus STATUS_PENDING, STATUS_ACCEPTED, STATUS_UNCONFIRMED, STATUS_FINISHED
New scope "combo_available"
Stable fix
Merge branch 'master' of bitbucket.org:saberion/wassel-common-engine

Conflicts:
	app/models/order.rb
Added feedback
Feedbacks added
Feedback mappings