4 spaces -> 2 spaces
Added events enum and pulled out some strings to constants.
Add bootstrap 3 demo, fix percentage width issue with Shuffle, closes #8.

Update jQuery to 1.11.0/2.1.0
Update Google Analytics
Fix nav highlighting.
Nav tweaks.
Formatting and consistency. Changed the main element from `$container` to `$el`. The DONE event now fires asynchronously, so it you don't have to listen for it before initializing Shuffle.

Updated change log.
Annnnd I screwed up tagging again.