Remove custom behavior from chat window
Remove custom styling
Merge branch 'master' of https://github.com/highfidelity/hifi into 19964

Conflicts:
	interface/ui/preferencesDialog.ui
Fix preferences dialog layout
Merge branch 'master' of https://github.com/highfidelity/hifi into 19964
Layout fixes
restore default buttons events
Merge branch 'master' of github.com:highfidelity/hifi into 19968
Add margin to chat window for titlebar + menu
Update chat to close on ESC
Merge branch 'master' of https://github.com/highfidelity/hifi into 19964
layout tweaks
Merge branch 'master' of https://github.com/highfidelity/hifi into 19964
Enable high resolution for OS X.
move isStereo packing to the correct position
Merge pull request #3364 from Atlante45/stereo_injections

move isStereo packing to the correct position
fix signed/unsigned comparison
fixed signed/unsigned comparison and unused variable
fixed signed/unsigned comparison
removed unused variable