Adding back button in actionBar on event screen and settings screen(Using android guideline)
Adding back button in actionBar on faq, about and feedback screen(Using android guideline)
Merge remote-tracking branch 'jouderianjr/master' into 1.1.1

Conflicts:
	app/config.json.example
	app/controllers/settings/feedback.js
	app/views/settings/feedback.xml
Fixing error with new feedback form