Bumped Casein version to 5.1.0, bumped Authlogic to 3.4.3
Updated .gitignore
Switched to Bootstrap gem
Merge branch 'master' of github.com:russellquinn/casein
Fixed typo in icon helpers
Fix up nav bar for new Bootstrap
Fix up changed Bootstrap classes
Logo tweaks
Fix for Bootstrap grid layout
Add Bootstrap variables to casein's override css