Improve memory monitor to allow graceful exit (without breaking existing requests).
Improve memory monitor to allow graceful exit (without breaking existing requests).

hackable/hipache,yonglehou/hipache,jamesbond12/hipache,crowdworks/lopache,kalabox/hipache,jamesbond12/hipache,SensePlatform/hipache,jkingyens/hipache,jkingyens/hipache,yonglehou/hipache,crowdworks/lopache,hackable/hipache,mfilotto/hipache,SensePlatform/hipache,jkingyens/hipache,rutsky/hipache-1,hackable/hipache,jamesbond12/hipache,mfilotto/hipache,yonglehou/hipache,aldryncore/hipache,hackable/hipache,rutsky/hipache-1,crowdworks/lopache,biddyweb/hipache,biddyweb/hipache,mfilotto/hipache,rutsky/hipache-1,yonglehou/hipache,SensePlatform/hipache,aldryncore/hipache,mfilotto/hipache,kalabox/hipache,SensePlatform/hipache,rutsky/hipache-1,biddyweb/hipache,kalabox/hipache,jamesbond12/hipache,kalabox/hipache,crowdworks/lopache,aldryncore/hipache,aldryncore/hipache,biddyweb/hipache