Merge pull request #901 from control-center/feature/ZEN-13733

Fix ZEN-13733; retry GetServicedEndpoints()
update Godep commit hashes for docker 1.2.0; removed nsinit from serviced; fix ParseRepositoryTag
Merge pull request #908 from control-center/feature/docker-1.2

update Godep commit hashes for docker 1.2.0; removed nsinit from service...
fixes CC-51: replace docker import with tag with docker import and docker tag
Merge pull request #914 from control-center/feature/CC-51

fixes CC-51: replace docker import with tag with docker import and docke...
use isvcs v16
fixes ZEN-13733: fix variable shadowing of endpoints