Automatic merge from submit-queue (batch tested with PRs 39661, 39740, 39801, 39468, 39743) update heapster version to 1.3.0-beta.0
Automatic merge from submit-queue (batch tested with PRs 39661, 39740, 39801, 39468, 39743) update heapster version to 1.3.0-beta.0