Add wheel progress and working on it.

Changes committed:
	modified:   res/layout/fragment_main.xml
	new file:   res/values/attrs.xml
	modified:   src/com/tomaz/focustimer/MainActivity.java
	new file:
src/com/tomaz/focustimer/components/progressbar/ProgressWheel.java
	deleted:    src/com/tomaz/focustimer/model/WheelTimer.java
	new file:   src/com/tomaz/focustimer/service/TimerService.java
Add TimerService
Add time counting service