* Automated cherry pick of #347: Removed update operation from pod we…

…bhook by @Edwinhr716 in #348

* Automated cherry pick of #342: Added handling of nil revision in pod controller by @Edwinhr716 in #349
* Automated cherry pick of #341: Removed restarting group log in pod controller by @Edwinhr716 in #350

**Full Changelog**: v0.5.0...v0.5.1

Release v0.5.0

This is a patch release for v0.4.0

patch 0.4.1

i

Release v0.4.0

Release v0.3.0

Merge pull request #111 from kerthcet/fix/updatedReplicas

Change the semantics of leaderWorkerSet Replicas

release leaderworkerset 0.1