BroadwayShow: adapted actionbar menu

- removed dashclock and cutter
- adjusted sharing url

This closes #200
BroadwayShow: Removed unused features from settings

this closes #202
BroadwayShow: Removed unused features from the alarm details

this closes #203
BroadwayShow: added random file playback

this closes #205
BroadwayShow: added a new icon and changed app name

this closes #201
Merge branch 'broadway/develop' into broadway/master