updated migration
udpated menu model to now delete items when deleted
updated migrations to create the price field correctly
updated the schema
changed the total price method to not convert to string then decimal as the change to the migration creates a decimal field
fixed the displaying of the prices to use rails currency helper
updated total price method to be nicer
added faker
Added a seed file showing how to setup items for the menu without explicitly setting the menu_id.  Also along with desriptions and 3 methods of achieving this