Catrobat/Catroid — pull request #1004 by mj7007 (2014-06-17 13:11:16+00:00)
Title: Refactor Bricks

Introduced ConcurrentFormulaHashMap to BrickBaseType
Removed clone and copyBrickForSprite from bricks where possible
Introduced custom xstream converter to support porting old projects' code.xml to new structure of code.xml