Namespaces classes and fixes namespace issues with factories
Adds database cleaner and fixes user model specs
Adds factory_girl_rails to gemfile
Fixes Question model tests and correctly configures factory_girl
Namespaced a few more calls to Question.

Looks like @jgrevich took a pass at this file, but
a few fell through the cracks. This commit fixes them.
Namepaced more calls to Answer in AnswersController
namespace searches_spec
Update travis for new enginized layout
Drop down to bundler 1.6.2 branch since travis is lagging.
Add sqlite3 to gemfile until we get pg configured in travis
Fix remaining specs or mark pending if > 5m. Travis will be Happy!