Cleaned up overuse of temp vars, and made twitter cleanup method similar to SignupController.
Added list of submitted talks to admin speaker view.
Merge branch 'master' of github.com:chartjes/opencfp

Cleaned up some TrueNorth content.
Cleaned up some TrueNorth content. Fixed typo in SpeakerController.
Not sure how this got left behind. Little cleanup after conflict pulling from Chris' repo.
Merge pull request #119 from sunshinephp/master

Small cleanup after pull from Chris' repo. Some other added/cleanup of code.