Merge branch 'master' into trunk

* master:
  Added dateFromString: and methods for getting single time components to MKDateUtils category
  Improved synchronization
Removed outdated build configurations
Improved test
Merge branch 'master' into trunk

* master:
  Improved docu
Updated project metadata
Added NSString category for containsString:
Merge branch 'trunk'

* trunk:
  Added NSString category for containsString:
  Updated project metadata
  Improved test
  Removed outdated build configurations