Merge pull request #73 from pocket-gophers-2014/fix_handle_gen

fixes handle generation and adds regeneration after battles
Add rspec tests to Checkin model and take care of no ingredient discovered case
Merge pull request #74 from pocket-gophers-2014/steven-review-refactor-demo

Add rspec tests to Checkin model and take care of no ingredient discover...
adds updating opponent count, points, and user handle with polling again