edited Fridges#show view to disply only the categories represented by the items in that particular fridge.  The Fridge controller was updated accordingly to faciliate this.
Merge branch 'master' into UI_update_category_sort

Conflicts:
	app/controllers/fridges_controller.rb
	app/views/fridges/show.html.erb
Merge pull request #24 from gopher-snakes-2013/UI_update_category_sort

edited Fridges#show view to disply only the categories represented by th...