$ bundle
Switch to twitter-bootstrap-rails

Followed README at
https://github.com/seyhunak/twitter-bootstrap-rails/tree/72ec70fc9cd5fb98405791a3acff27a852b180a3

Closes #22
Fix 404 for /favicon.ico
Bump version to v0.1.0
Merge branch 'release/0.1.0' into stable