new user gets redirected to see all the retros
starting sessions branch
Add rudimentary authentication system
Add rudimentary authentication system
Merge branch 'sessions' of github.com:AndyDangerous/retro into sessions

Conflicts:
	spec/features/sign_in_spec.rb
Merge branch 'master' of github.com:121watts/retro into sessions
Remove unused method.
Merge pull request #26 from AndyDangerous/sessions

Sessions -- adds rudimentary auth system, creates new sessions, destroys sessions.
Merge pull request #30 from 121watts/sessions

Sessions -- basic session/auth system