Fixed incorrect contains check in dynamic tree
Merge branch 'master' of github.com:dmurph/jbox2d
added 'p' to pause, and general cleanup
Fixed mouse joint issue with ground body
Added better profiling
Removed validation from broadphase to speed up engine. Added experimental object-less dynamic tree.  Improved performance tests.
Improved performance tests more, updated testbed perf tests
Removing final modifier on settings
Merge branch 'master' of https://github.com/dmurph/jbox2d