7.13C: upload project with default name not possible anymore  (implemented and tested )
7.13C: added test to see if the unchanged project is being uploaded, implemented the check, some refactoring
7.13C default project upload now possible after adding a brick/costume/sound (implemented and tested)
7.13C Minor changes in tests,
7.13C default project upload now possible after switching the costumes
7.13C Done: debuged, refactored, tested
Merge branch 'master' into MajdaOsmic
7.13 Corrected some bugs that caused tests to fail on jenkinks, corrected a grammar error in strings.xml
7.13C Added german strings
Merge branch 'master' into MajdaOsmic
Done some refactoring
7.13C Refactored and Debugged
7.13c A minor change in  strings.xml
7.13C Changed the buggy part of the implementation, adapted and refactored the tests