LocalBroadcastManager in sync mode to ensure done now (at the call)
Fix crash on call from other thread than UI.
Optimize layout set flags
Fix camera log
Fix screen keep on during camera (1/2)
Clean logs
Optimize (avoid some sub-thread creation)
Remove unneeded variable reference
Fix warning as system app during major activity
Higher priority to boost latency
Remove unneeded call
Fix screen keep on during camera (2/2)
Keep screen on during alert/activity
Boost CPU during main works
2.0.2 beta
	Major code update:
		- Boost performance

	Fixes:
		- Fix possible crash turning on/off torch
		- Fix camera log
		- Fix not all but main security warning in log
		- Fix screen off during alert/activity

	Know issues:
		- Alternative layout broken

	Next big beta (2.1.0):
		- Gesture/Swipe over the cover (bottom&left to: open camera, hang up call, snooze alarm / bottom right to: toggle torch, pickup call, dismiss alarm / bottom top to: pop-up menu)
		- Pop-up menu like habeIchVergessen propose (using over cover touch): https://github.com/durka/HallMonitor/issues/18
		- Network connectivity indicator (WIFI/2G/3G/4G): https://github.com/durka/HallMonitor/issues/24
		- Add landscape layout to avoid rotate animation & rotate background app