Creates Pivotal Darkula color scheme and changes the Theme to Darkula

Pivotal Darkula is darkula with a 15pt font instead of a 12pt font.
Creates a pivotal keymap config

It is built off the akitchen config with some additions:
- Adds Smash up/down/left/right for screen splitting and movements
- Adds Cmd+Shft+W  => close other window in tab group