Source configuration doc update
Source configuration doc update

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