Fix for camera movement with webcam enabled; don't bother using roll from
webcam if we have the gyros; reinstate head orientation scaling; don't bother
using gyro position.
(changed per requests and re-merged) Two Leap-related crashes fixed, plus Leap improvements
1. Fixed thread-crash at terminate() time by terminating the LeapManager properly
2. Fixed an intermittent thread-crash when Leap active by removing auto-connection between controller and listener
3. Added fingerRoot positions to display and data packet
4. Introduced a vec3-based convention so that more finger data may be added without causing trouble for old clients and servers
5. My avatar's fingers are different color from others
Not crazy about the rotation amplification.
Merge pull request #613 from ZappoMan/bug_fixes

fixed FOV preference to work with view frustum code properly
Restore the amplification; blink faster.
Merge pull request #615 from ey6es/master

Fixes for gyros/webcam: restore rotation amplification, don't bother with gyro position or fusing webcam roll, blink faster.
fixed curly-braces per request
Merge pull request #614 from machinelevel/dev4

(changed per requests and re-merged) Two Leap-related crashes fixed, plu...
Merge branch 'master' of https://github.com/worklist/hifi into dev4
your agents are now nodes
Improve gyro look to smoothly follow the head and not move for small movements
Merge branch 'master' of https://github.com/worklist/hifi
smooth gyro look on by default if not in settings
Fixed two-finger touch delay, and all other hidden event-pile-up.
Added a processEvents() call in the idle, because otherwise calling idle updates starves the event handlers.
Fixed two-finger touch delay, and all other hidden event-pile-up.
Added a processEvents() call in the idle, because otherwise calling idle updates starves the event handlers.
Virtual method warning removal.
Warning was "Delete called on HifiLeapListener that has virtual functions but non-virtual destructor"
Merge pull request #618 from machinelevel/dev4

Fixed two-finger touch delay, and all other hidden event-pile-up.
remove fvversioncomparator from headers passed to qt4
Merge branch 'master' of https://github.com/worklist/hifi
Fixes per code review