Refactored test suite: All tests are now compiled into one file, runs much faster...

Refactored test suite: All tests are now compiled into one file, runs much faster and does not require ugly synchronization; Changed build.xml (tested) and Makefile (not tested!); Replaced calls to cmpOK() with ok(), removed cmpOK(); Tests can now call reset() to be able to always test against the unmodified test setup