Upgrade Bootstrap to 3.3

http://blog.getbootstrap.com/2014/10/29/bootstrap-3-3-0-released/
https://github.com/twbs/bootstrap/releases/tag/v3.3.0

Also bumps jasmine and capybara gems for gem development.

Tested with Publisher master and generated style guides to check for regressions.

https://www.agileplannerapp.com/boards/173808/cards/8761