[NOBTS] Clean up checkstyle errors.
[NGRINDER-504] Add the fixed grinder patch
[NGRINDER-479] Fix the typo error in message
[NGRINDER-505] Test Comment should not be copied in clone
[NOBTS] make the timer in monitor collection daemon thread so that
ngrinder is well stopped.
[NGRINDER-479] Clean up temporary data when the test is finished.