fixes login bug
adds login form to top-bar if logged out
adds helper methods to application controller
adds top-bar form styling
Merge remote-tracking branch 'origin/develop' into login-logout

Conflicts:
	app/views/layouts/application.html.erb
adds more swap file patterns
adds user bar for logged in users
comments out debugger
Merge pull request #18 from TheConstructors/login-logout

Top-bar updates. Looks good.