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
Make scripts loaded with Script.load() not persist
Merge pull request #3369 from ctrlaltdavid/20007

Code Review for Job #20007
use load instead of include for default scripts since Script.load() now works better
Merge pull request #3370 from ZappoMan/defaultScriptsLoad

use load instead of include for default scripts since Script.load() now works better
Merge pull request #3357 from huffman/19968

Code Review for Job #19968
Merge pull request #3355 from stojce/19964

Code Review for Job #19964