Merge branch 'vertexLabels'
Merge branch 'master' of https://github.com/karpark/jbox2d
Merge branch 'master' of https://github.com/karpark/jbox2d
Merge branch 'master' of https://github.com/karpark/jbox2d
-Updated setting to turn of engine info
-Added disjoint set data structure
-begun implementing kruskal
-added edge weight to debug draw
Merge branch 'master' into algorithm
Resolving some conflicting changes from Edward

Conflicts:
	jbox2d-testbed/src/main/java/org/jbox2d/testbed/tests/VertexTest.java