control-center/serviced — pull request #762 by wplu (2014-07-23 22:12:38+00:00)
Title: added to CLI: serviced docker sync to push all unique images used by ser...

...vices to local registry

DEMO:
```
# plu@plu-9: serviced service list |grep Zenoss
Zenoss.core	anai9vxxporc1c22b5ct9nex2	0	default	1	auto	HBase

# plu@plu-9: docker images |grep anai9vxxporc1c22b5ct9nex2
plu-9:5000/anai9vxxporc1c22b5ct9nex2/devimg latest 33a12f6ffe58 6 days ago 3.329 GB
plu-9:5000/anai9vxxporc1c22b5ct9nex2/hbase latest 4a01c657faa4 2 weeks ago 560.9 MB
plu-9:5000/anai9vxxporc1c22b5ct9nex2/opentsdb latest ca43a978631e 7 weeks ago 1.386 GB

# plu@plu-9: ./serviced docker sync
Syncing image to local docker registry: plu-9:5000/anai9vxxporc1c22b5ct9nex2/devimg ...

```