params[:fridge_id] --> current_fridge.id; changed for readability, all but one test pass (this test didn't pass before I changed anything either. it has to do with saving recipes
change @fridge.id --> current_fridge.id for readability; remove show action because unnecessary.
Merge pull request #64 from gopher-snakes-2013/refactor-items-controller

Refactor items controller, refactor grocery lists controller, all test passing