Features: Added simple 3D hand view, where fingers are drawn with
perspective, tips size adjusted based on depth, and palm elipse reflects
pitch of palm.
- Added new gesture components.
- Added helper to convert leap position to a view position using the
device's horizontal angle and range, combined with specifications of
vertical percentage of range to use in calculating max width, vertical offsets from bottom and top of range.

Code: Cleaned up gesture components such that naming is consistent and less
ambiguous.

Bugs: Fixed lots of bugs in gesture components.