prevent walking avatar from bouncing on floor
Don't repeat check for non-zero collision groups
_voxelFades needs locking.
spaces instead of tabs.
Merge pull request #2913 from talentraspel/19680

locking against crash
make transaction amounts and balances signed 64-bit
fix domain-server pending credits to actually be in credits
Enable local gravity when there is a floor nearby.
merge upstream/master into andrew/inertia
don't use powf for credit conversions
fix a mistyped constant
fix an implicit cast to float
fix another implicit float cast
Merge pull request #2916 from birarda/master

make transaction amounts and balances signed 64-bit
Merge pull request #2919 from AndrewMeadows/inertia

turn on gravity when there is a voxel floor to stand on
Merge branch 'master' of https://github.com/highfidelity/hifi