Automatic merge from submit-queue

Bumped Heapster to v1.1.0

```release-note
Bumped Heapster to v1.1.0.
More details about the release https://github.com/kubernetes/heapster/releases/tag/v1.1.0
```

Version 1.1.0 doesn't differ from the previous one v1.1.0-beta2 significantly - just fixed few small issues during stabilization period.

cc @a-robinson @jszczepkowski @mwielgus 

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