Revert "Just one simple feature for demo purposes"

This reverts commit 02d6fc8e6516700bc901dadbb7e59b4c547c9aa0,
brining back the existing cucumber features.
Features passing \o/
Extract out UserSession model
Merge branch 'master' of github.com:mattwynne/squeaker

Conflicts:
	features/greet_user.feature
	features/step_definitions/steps.rb