old QRTagReading mission type erased from manifests
further test games for NPCTalk
moved blocking management for missions into their ui
bugfix if no lastlocation can be found center map raised NPE
extracted center map into helper which is agnostic to map type (google, som)
extracted some common func into superclass MapNavigation
trigger center map at start
Merge branch 'refs/heads/master' into MapEnhancements

Conflicts:
	GQ_Android/AndroidManifest.radioranzen.xml
	GQ_Android/src/edu/bonn/mobilegaming/geoquest/mission/MapNavigation.java
	GQ_Android/src/edu/bonn/mobilegaming/geoquest/mission/MapOverview.java
	GQ_Android/src/edu/bonn/mobilegaming/geoquest/mission/OSMap.java
unifying maps
format
Merge branch 'refs/heads/MapEnhancements'

Conflicts:
	GQ_Android/AndroidManifest.radioranzen.xml
track missions running and prevent multiple starts
Merge remote-tracking branch 'refs/remotes/origin/master'