Adding many new features.

 - Fixed #15, "Reach not long enough"
 - Started work on #10, vertical look/aim is decoupled.
 - Stella Fixed #9
 - First pass of #2, positional headtracking with hydra
 - Internally, we completely revamped the plugin system and made it more
   modular.
 - Stella fixed many GUI issues (sliders, options that didn't get set,
   etc)
 - Adding a sample build for adventerous souls :)