2.82
Applied polar decomposition patch. Fixes Issue 621. Thanks to Christian for the report, Joshua for the fix, Dongsoo for checking the fix. Applied picking cloth patch. Fixes Issue 646. Thanks to Dongsoo. Applied patch Softbody updateConstraints. Fixes Issue 503. Thanks to Dave Bruce Phillips and Dongsoo. Fix various warnigns under Mac OSX.
make cppunit compile on Mac OSX
added cppunit unit testing framework, using cmake, stripped out the original build systems. added starting point for Bullet unit tests, with one example unit test Enable the option BUILD_UNIT_TESTS in cmake to build the test. Note that the test doesn't automatically run.