Storage schema doc update
Storage schema doc update

piosz/heapster,whuwxl/heapster,jackzampolin/heapster,adfin/statster,titilambert/heapster,Stackdriver/heapster,aegixx/heapster,huangyuqi/heapster,huangyuqi/heapster,taimir/heapster,saiwl/heapster,burmanm/heapster,bluebreezecf/heapster,andyxning/heapster,krzyzacy/heapster,burmanm/heapster,mwringe/heapster,bruceauyeung/heapster,shilpamayanna/heapster,johanneswuerbach/heapster,AlmogBaku/heapster,luxas/heapster,andyxning/heapster,jackzampolin/heapster,luxas/heapster,saiwl/heapster,taimir/heapster,titilambert/heapster,Stackdriver/heapster,adfin/statster,bluebreezecf/heapster,mwringe/heapster,bruceauyeung/heapster,AlmogBaku/heapster,johanneswuerbach/heapster,piosz/heapster,shilpamayanna/heapster,krzyzacy/heapster,liubog2008/heapster,whuwxl/heapster,aegixx/heapster,liubog2008/heapster