Added aligning scraping range in addition to stats timestamps
Added aligning scraping range in addition to stats timestamps

Follow up #394

huangyuqi/heapster,liuhewei/heapster,vishh/heapster-1,mwringe/heapster,wulonghui/heapster,luxas/heapster,krzyzacy/heapster,adfin/statster,jackzampolin/heapster,vicki-c/heapster,bluebreezecf/heapster,krzyzacy/heapster,luxas/heapster,a-robinson/heapster,digideskio/heapster,Stackdriver/heapster,piosz/heapster,bruceauyeung/heapster,bluebreezecf/heapster,skytap/heapster,taimir/heapster,Stackdriver/heapster,taimir/heapster,Huawei-PaaS/heapster,burmanm/heapster,vicki-c/heapster,Huawei-PaaS/heapster,wulonghui/heapster,huangyuqi/heapster,andyxning/heapster,thucatebay/heapster,shilpamayanna/heapster,andyxning/heapster,AlmogBaku/heapster,whuwxl/heapster,titilambert/heapster,johanneswuerbach/heapster,ravihansa3000/heapster,naxhh/heapster,shilpamayanna/heapster,titilambert/heapster,jfoy/heapster,ravihansa3000/heapster,piosz/heapster,aegixx/heapster,whuwxl/heapster,saiwl/heapster,mwielgus/heapster,mdshuai/heapster,fzu-huang/heapster,skytap/heapster,apeeyush/heapster,vishh/heapster-1,bruceauyeung/heapster,burmanm/heapster,saiwl/heapster,digideskio/heapster,johanneswuerbach/heapster,afein/heapster,afein/heapster,liubog2008/heapster,fzu-huang/heapster,jfoy/heapster,thucatebay/heapster,adfin/statster,jackzampolin/heapster,apeeyush/heapster,aegixx/heapster,liubog2008/heapster,mdshuai/heapster,a-robinson/heapster,liuhewei/heapster,mwielgus/heapster,naxhh/heapster,mwringe/heapster,AlmogBaku/heapster