Changed application
Made changes to categories
Merge pull request #6 from ArtengineInc/change-cat

Change cat
Basic integration
Adding item id to reservations
Added heroku production gems
Temp fixes for broken categores service
Merge pull request #7 from ArtengineInc/fixing-categories

Temp fixes for broken categores service
Added files to precompile
Merge branch 'master' of github.com:ArtengineInc/inventory-backend into feature_check_in_and_out
Make sure reservations don't overlap