Added command line options for specifying number of concurrent clients, as well as hatch rate of the clients.
Added command line options for specifying number of concurrent clients, as well as hatch rate of the clients.

donglei/locust,RollForReflex/locust,wndhydrnt/locust,pglass/locust,bugsduggan/locust,scalp42/locust,edx/locust,jacobgardner/locust,moongtaeng/locust,locustio/locust,kentzzhang/locust,cpennington/locust,kyroskoh/locust,liubq919/locust,agoragames/locust,armersong/locust,TZer0/locust,moongtaeng/locust,minhoryang/locust,pmdarrow/locust,timaakulich/locust,jaume-pinyol/locust,cpennington/locust,fordhurley/locust,leo23/locust,wndhydrnt/locust,jacobgardner/locust,kyroskoh/locust,pan1cz/locust,nagyistoce/locust,TZer0/locust,santiavenda2/locust,doctoryes/locust,normanb/locust,donglei/locust,rohitgup14/locust,cloudant/locust,edx/locust,cgoldberg/locust,yangchaogit/locust,jacobgardner/locust,rohitgup14/locust,rohitgup14/locust,leo23/locust,jaume-pinyol/locust,ismail-s/locust,pan1cz/locust,minhoryang/locust,yangchaogit/locust,minhoryang/locust,wndhydrnt/locust,nagyistoce/locust,harrisonfeng/locust,rohitgup14/locust,normanb/locust,dmoliveira/locust,edx/locust,heyman/locust,pmdarrow/locust,fordhurley/locust,cpennington/locust,rackerlabs/locust,bugsduggan/locust,wndhydrnt/locust,doctoryes/locust,mbeacom/locust,cloudant/locust,timaakulich/locust,santiavenda2/locust,dmoliveira/locust,yangchaogit/locust,cpennington/locust,jaume-pinyol/locust,leo23/locust,lixar/locust,noif/locust,Diogo-Costa/locust,scalp42/locust,liubq919/locust,moongtaeng/locust,mbeacom/locust,doctoryes/locust,locustio/locust,Diogo-Costa/locust,armersong/locust,mbeacom/locust,locustio/locust,timaakulich/locust,fengshao0907/locust,edx/locust,scalp42/locust,fengshao0907/locust,moongtaeng/locust,normanb/locust,santiavenda2/locust,agoragames/locust,fengshao0907/locust,noif/locust,kyroskoh/locust,doctoryes/locust,Diogo-Costa/locust,noif/locust,donglei/locust,lixar/locust,harrisonfeng/locust,dmoliveira/locust,cloudant/locust,fengshao0907/locust,mbeacom/locust,ismail-s/locust,RollForReflex/locust,bugsduggan/locust,kentzzhang/locust,RollForReflex/locust,yangchaogit/locust,TZer0/locust,pmdarrow/locust,lixar/locust,cloudant/locust,pglass/locust,harrisonfeng/locust,noif/locust,kentzzhang/locust,rackerlabs/locust,agoragames/locust,fordhurley/locust,rackerlabs/locust,kentzzhang/locust,pglass/locust,cgoldberg/locust,lixar/locust,Diogo-Costa/locust,cgoldberg/locust,ismail-s/locust,pan1cz/locust,dmoliveira/locust,RollForReflex/locust,armersong/locust,donglei/locust,locustio/locust,leo23/locust,liubq919/locust,armersong/locust,nagyistoce/locust