preference settings
Merge branch 'master' of
https://github.com/smartcampuslab/smartcampus.bikesharing.git

Conflicts:
	BikeRovereto/res/drawable-hdpi/ic_action_refresh.png
	BikeRovereto/res/drawable-mdpi/ic_action_refresh.png
	BikeRovereto/res/drawable-xhdpi/ic_action_refresh.png