Expose light directions and colors for the avatar list in AvatarManager. Light parameter changes within the script will effect all the avatars currently in AvatarManager.
Took out debug print
Coding standard
Resolve upstrem conflict
fixed some warnings
Merge pull request #3171 from ZappoMan/fixeParticleServerCrash

fixed some warnings - fix potential crash in particle server
Merge pull request #3170 from wdings23/master

Allow script to set light properties for all the avatars
Merge branch 'master' of https://github.com/highfidelity/hifi into virtualEntities