commit gradle files
Merge branch 'arduino' of https://github.com/Catrobat/Catroid into arduino
Merge branch 'arduino' of https://github.com/Catrobat/Catroid into arduino
Merge branch 'arduino' of https://github.com/Catrobat/Catroid into arduino
Merge branch 'arduino' of https://github.com/Catrobat/Catroid into arduino
small refactoring
Merge branch 'arduino' of https://github.com/Catrobat/Catroid into arduino