Fork, remove most features I don't need

This Removes:

1) Audience Interaction
2) Code Execution
3) Timers
4) Websockets
5) RMagick Support
6) Support for Multiple Template Libaries (requires maruku)
7) Dependency on redcarpet

It also changes the default styles to better suit my tastes.

There's still quite a bit of code related to the removed features,
hopefully that can be removed in the future as well.
Remove some unncessary files
Remove other unneeded features

This removes some stats gathering, unneeded documentation, and
now unused styles.
Remove tooltips from presenter
Correctly show notes on first page
Switch | in notes to two line breaks
Only vertically center slides with vc class