Merge branch 'dev' of github.com:mozilla-services/pushgo into feature/add_gomemcache
Merge branch 'dev' of github.com:mozilla-services/pushgo into feature/add_gomemcache

Conflicts:
	src/github.com/mozilla-services/pushgo/id/id.go
Merge branch 'dev' of github.com:mozilla-services/pushgo into feature/add_gomemcache

Conflicts:
	src/github.com/mozilla-services/pushgo/id/id.go
Code Cleanup

* removed Retry loop for unregister (unneeded)
* corrected logic error in Drop
* removed stub for MaxChannels
* added logging for bad keys
* deketed redundant error handlers
* moved dup pare to storeAppIDArray rather than Fetch (fetch more than
  store)
Merge pull request #67 from jrconlin/feature/add_gomemcache

Feature/add gomemcache
Merge branch 'dev' into feature/run-travis-tests
Actually run the tests on travis.