Created base activity and fixed the problem with installation without user.
Merge remote-tracking branch 'origin/master'

Conflicts:
	.idea/workspace.xml
	Notifart/src/main/java/com/fartware/notifart/activities/RecordFartActivity.java
	Notifart/src/main/java/com/fartware/notifart/views/ProgressBar.java