Don't simulate avatars' models when they're being rendered as billboards.
Closes #2165.
Merge branch 'master' of https://github.com/highfidelity/hifi
Merge branch 'master' of https://github.com/highfidelity/hifi
complete quoting of varous Cmake commands, closes #1999
various particle crash and deadlock fixes
Merge branch 'master' of https://github.com/worklist/hifi into bugfixes
keep known nodes alive when we receive a packet from them
Merge branch 'master' of https://github.com/highfidelity/hifi
Fix for annoying "QThreadStorage" warning.
more octree locking cleanup
removed some debug
Merge pull request #2174 from birarda/node-interest

keep known nodes alive when we receive an unprocessed packet from them
Merge branch 'master' of https://github.com/highfidelity/hifi
Merge pull request #2176 from ey6es/master

Don't simulate avatars when they're being rendered as billboards, fix QThreadStorage warning.
Do the actual reading of the reply on the worker thread.  Otherwise, when we
read from the cache, we're reading synchronously from a file.  Closes #2171.
Merge branch 'master' of https://github.com/highfidelity/hifi
Render the billboard if we don't have both models.  Closes #2178.
Merge pull request #2175 from ZappoMan/bugfixes

Fixes to particle deadlock, and some other crashes
Merge branch 'master' of https://github.com/highfidelity/hifi
Merge branch 'master' of https://github.com/highfidelity/hifi into cmake-quotes