cleanup unused code in gestures

Conflicts:
	leap.min.js
Fixes #127 decrementing protocol version.
Merge branch 'master' into 0.3.0-bugfixes

Conflicts:
	leap.min.js
Only store "verified" protocol version through one disconnection
Compile leap.js
Merge pull request #144 from leapmotion/0.3.0-bugfixes

0.3.0 bugfixes