Updated for XE16, and added unit tests.
Refactored for xe16
Merge branch 'master' of https://github.com/thehackerati/gdk-timer-sample

Conflicts:
	AndroidManifest.xml
	README.md
	project.properties
	res/values/strings.xml
	res/xml/voice_trigger_start.xml
	src/com/google/android/glass/sample/timer/MenuActivity.java
	src/com/google/android/glass/sample/timer/TimerService.java