tstRTSemRW/test4: Set a couple of values instead of using just printing them to stdout.
Automated rebranding to Oracle copyright/license strings via filemuncher
misc compiler warning fixes, comment typos and other minor cleanups
semrw-posix.cpp,tstRTSemRW: added an insufficient workaround for the glibc pthread_rwlock_unlock issue.
tstRTSemRW: comment about pseudo random.
tstRTSemRW.cpp: Negative testing.
tstSemRW.cpp -> tstRTSemRW.cpp