removed unused imports and variables
Merge branch 'master' of https://github.com/ese-unibe-ch/ese2013-team7
Mylocation optimized, MenuActivity check, if menu item is null - for me it is in Comingdaysmenufregment, Mapactivity Supportmapfragment
Merge branch 'master' of https://github.com/ese-unibe-ch/ese2013-team7
some comments changed