v1.2.0-v0.0.3

Rebase to 1.2.0, for kubernetes1.4

v1.2.0-v0.0.2

Merge pull request #2 from liubog2008/master

fix pod aggregation err and fix some bugs about autoscaling

v1.2.0-v0.0.1

Merge pull request #1 from liubog2008/master

customize heapster