some work on adding omniauth
fix case of new-PR page title; remove edit links
Merge pull request #15 from davearonson/nonum-branch-for-sample-closed-pr

Minor UI tweaks
Merge branch 'master' into 1-add-omniauth

Conflicts:
	Gemfile
	Gemfile.lock
	config/routes.rb
add ability to log in and out via github
Merge branch 'master' into 11-verify-pr-is-open

Conflicts:
	app/controllers/pull_requests_controller.rb
	app/models/pull_request.rb