Fix the chat widget's visibility when not logged in
Show OS notification when user is not logged in
Remove unnecessory header file inclusion in Menu.cpp
prevent walking avatar from bouncing on floor
Made overlays thread safe for write operations, which solved a script
crash.
Merge branch 'master' of https://github.com/highfidelity/hifi
Don't repeat check for non-zero collision groups
add meshExtents to sub meshes
Added some missing locks to make Overlays thread safe for reading as well.
renaming of AABox to AACube, introduction of actual AABox
renaming of AABox to AACube, introduction of actual AABox
renaming of AABox to AACube, introduction of actual AABox
Use local viewer model for specular.
Added a new lock specific to deleting, and improved safety
Merge branch 'master' of https://github.com/worklist/hifi into aacube
_voxelFades needs locking.
spaces instead of tabs.
Merge pull request #2906 from Barnold1953/master

Write thread safety for Overlays QMaps
Merge pull request #2911 from ey6es/master

Use local viewer model for specular.
Merge branch 'master' of https://github.com/worklist/hifi into aacube