Anadido el parser para bodys de los maps. Cogido desde aqui:

http://www.java-gaming.org/index.php?topic=29937.0
https://bitbucket.org/dermetfan/somelibgdxtests/src/19b277f6ec876bc13c0f7b94d15a95292de4155e/lib/net/dermetfan/libgdx/box2d/Box2DMapObjectParser.java?at=default
https://www.youtube.com/watch?v=EXiSpt-dLKg
Merge origin/master