Dialog layout
replace LogDisplay with File logger

 - added abstract logger interface
Storing log to file - initial
Reveal log file

- change log location lo application data folder
- reveal file in Finder (Explorer) implementation
Search keyword highlighter
Merge branch 'master' of https://github.com/worklist/hifi into 19463
sytle changes on log dialog
removed unused 'LogDisplay' class
audio API changes to allow multiple injections of single sound
Merge branch 'master' of https://github.com/worklist/hifi into 19463
leverage new AudioInjector API for throw and catch sounds
cleanup new API for sound injection
repair AudioInjector threading
possible fix for jenkins build error
Jenkins build fix
Merge branch 'master' of https://github.com/worklist/hifi into 19463
QMutex reference
changed locking to QMutexLocker
Merge pull request #1436 from birarda/master

changes to audio injector for overlapped sounds in preparation for JS
Merge pull request #1437 from ey6es/master

Restore bent arm behavior when pointing (lost in ball removal).  Fix compile warning.