"add new look dialog" changed according to new object workflow add look.

- own xml file
- pocketPaintButton allways visible
- pocketPaintInstallDialog moved to the front. (NewObject and NewLook)

jenkins successful:
https://jenkins.catrob.at/job/Catroid-Multi-Job-Custom-Branch/1252/
source check:
https://jenkins.catrob.at/view/All-Categories/view/Catroid/job/Catroid-build-and-test-source/1624/