prevent walking avatar from bouncing on floor
Don't repeat check for non-zero collision groups
add `disabled` state to Share button on click
Merge branch 'master' of https://github.com/worklist/hifi into 19705
Enable local gravity when there is a floor nearby.
merge upstream/master into andrew/inertia
squared force on thrust controller
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 pull request #2918 from PhilipRosedale/master

Ability to move both slowly and fast with hand controllers
Merge pull request #2917 from stojce/19705

Code Review for Job #19705
Merge branch 'master' of https://github.com/highfidelity/hifi