set up for travis-ci and wercker

https://travis-ci.org continious testing
http://wercker.com continious deployment
skip jshint for search.js and amy-autocomplete.js

forgot to commit... so much for cleaning up history
travis needs the Gemfile...

should work on both travis and wercker
Merge pull request #5 from tingletech/test-rig-2

set up for travis-ci and wercker
Merge branch 'master' of https://github.com/amywieliczka/public_interface