Facedetection new

https://jenkins.catrob.at/view/All-Categories/view/Catroid-multi-job/job/Catroid-Multi-Job-Custom-Branch/1970/
If your IDE deletes this file(s) you used "import project" instead of "open project". Here [1] you can find the instructions. There are git commands to undo it (e.g. reset, checkout) [2]. 

The following files should remain unchanged:
- all files in .idea folder
- all .iml files

[1] https://github.com/Catrobat/Catroid/wiki/Setup-working-environment
[2] http://git-scm.com/book/de