Interface OS X hifi URL scheme
Custom URL handler
Merge branch 'master' of https://github.com/worklist/hifi into 19494
Merge branch 'master' of https://github.com/worklist/hifi into 19494
Merge branch 'master' of https://github.com/worklist/hifi into 19494
Merge branch 'master' of https://github.com/worklist/hifi into 19494
fix for Firefox
Merge branch 'master' of https://github.com/worklist/hifi into 19494
Merge branch 'master' of ssh://github.com/highfidelity/hifi into avatar-interaction
Splitting hand collisions between other avatars and ourself.
Merge branch 'master' of https://github.com/highfidelity/hifi
first experimental cut at overlay image
Moving hand-avatar collision trigger calls into MyAvatar

Also renaming some methods in Model to be more descriptive.
Merge branch 'avatar-interaction' of ssh://github.com/AndrewMeadows/hifi into avatar-interaction
Merge branch 'master' of https://github.com/worklist/hifi into 19494
fix voxel texture to work better with larger TREE_SCALE
first cut at auto-LOD adjustment
Merge branch 'master' of https://github.com/worklist/hifi into 19494
Removing HeadData::findSpherePenetration() as unused cruft.
Minor whitespace removal.