Fixing windows compile warnings about signed vs unsigned compare.
Only resolve our hand collisions that would not move the other avatar.

This helps us only penetrate the moveable parts of other avatars.
Adding avatar body-body collisions to prevent near-clipping.
Fixing formatting to be KR
Merge pull request #1981 from AndrewMeadows/avatar-interaction

Avatar body-body collisions
Merge branch 'master' of https://github.com/highfidelity/hifi