Amplifier sounds sort of working.
SignalBeacon class created and code made prettier
Merge remote-tracking branch 'origin/Nathalie'

Conflicts:
	.idea/libraries/play_services_5_0_77.xml
	.idea/libraries/support_v13_20_0_0.xml
	.idea/libraries/support_v4_20_0_0.xml
	app/apk/app-debug-unaligned.apk
	app/apk/app-debug.apk
	app/src/main/java/ca/mixitmedia/ghostcatcher/app/MainActivity.java
	app/src/main/java/ca/mixitmedia/ghostcatcher/app/Tools/Amplifier.java
BadMerge with bugs.