Fix for metavoxel crashes on Windows.  I was expecting the scope of a
temporary object to last until the next line; turns out VC++ can destroy
it in the middle of evaluating the line.
Merge branch 'master' of https://github.com/highfidelity/hifi
Stop using the emissive color for glow.
Merge pull request #3506 from ey6es/master

Fix for metavoxel crashes on Windows.  I was expecting the scope of a