Script fragment

Current iteration:
--> Inserted new 9-Patches with correct padding and alignment
--> Refactored LegoBricks
--> Fixed Bugs with loop bricks
--> Smoothing animation
--> Improved selection for Nesting Bricks
--> Locked all spinners and other views of all bricks in actionmode
--> Set SetXBrick Checkbox clickable in actionmode
--> Fixed some tests

Jenkins testruns:
http://catrobatgw.ist.tugraz.at:8080/job/Catroid-custom-branch-test/682/
testNestedRepeatBrick:
http://catrobatgw.ist.tugraz.at:8080/job/Catroid-single-jUnit-test/59/console

TODO for next iteration:
--> Fix greying of bricks (much improved with new 9-Patches, but still an issue)
--> Shading of Actionbar and Bottombar in ScriptFragment