whitespace formatting
add constraints between child joints of same parent
merge upstream/master into andrew/ragdoll

Conflicts:
	interface/src/Menu.h
Merge pull request #3173 from ey6es/metavoxels

More metavoxel progress: basic scriptability, fix for subdivisions, threading fixes.
more stability when fingers follow ragdoll
Draw local light stats.
Merge branch 'master' of https://github.com/highfidelity/hifi into fix_new_avatar_light
Take out getter for avatar's hash key.
add a tweaked FindOpenSSL module and link and include it in interface
Bug fixes in fallingSand
Finished up basic falling sand example script
Merge branch 'master' of https://github.com/highfidelity/hifi into OculusSDK
new windows JS interface
fixed header
Code cleanup
Merge pull request #3176 from Atlante45/fix_edit_properties

Fix edit properties
Merge pull request #3175 from Barnold1953/OculusSDK

Two new example scripts
Merge pull request #3174 from wdings23/fix_new_avatar_light

Fix new avatar light
Use deltaTIme to ensure sand updates are somewhat uniform
On/Off for activity logger