fix bug with dragonfly leaving trailing bits
Fixed voxel trails from animations
- removed stageForDeletion behavior of VoxelNode
- replaced with VoxelNodeDeletionHook strategy
- VoxelSystem now cleans up previously used VBO index slots via hook
Fixed issue with freeing up abandoned VBO slots when not moving with animation
Fix first person camera positioning to correspond to eyelevel.
This makes sure the lookatVectors don't seem to point upwards when
looking at you.
Merge pull request #728 from ey6es/master

The particle system is killing the frame rate, so let's make it toggleable.  Also fixed GCC warnings.
Remove extra semicolon in avatar.cpp
Merge remote-tracking branch 'upstream/master'
Remove rendering of your own avatar's lookatVectors. This fixes the
behavior where if you are moving and jumping, you will occasionally see
your own lookatVectors on your screen.
Merge branch 'master' of https://github.com/worklist/hifi into bug_fixes
removed unneeded cast
fixed typo
fixed spacing
changed some defines to consts
Merge pull request #727 from LionTurtle/master

Fix first person camera positioning to correspond to eyelevel.
Fixing cmake path on seed's groovy
Merge pull request #729 from murillodigital/master

Fixing cmake path on seed's groovy
Improved VoxelNode delete callback based on CR feedback
- changed hooks to use a virtual base class approach
- switched account of hooks to use a vector instead of home grown solution
- added support for VoxelNode to know what VoxelSystem it belongs to
Merge pull request #726 from ZappoMan/bug_fixes

fix bug with dragonfly leaving trailing bits
These casts should fix the warnings on OS X.