Use JenkinsMarathonCI-Debian8-2017-03-21
Use JenkinsMarathonCI-Debian8-2017-03-21

Summary:
The node has been used by the unstable loop for a day without errors.
The node was misconfigured but that's fixed now.

Test Plan: pipelines, unstable-loop

Reviewers: kensipe, zen-dog, jenkins

Reviewed By: kensipe, zen-dog

Subscribers: marathon-dev, marathon-team, jenkins

JIRA Issues: MARATHON-2451

Differential Revision: https://phabricator.mesosphere.com/D658

guenter/marathon,natemurthy/marathon,meln1k/marathon,Caerostris/marathon,meln1k/marathon,mesosphere/marathon,gsantovena/marathon,janisz/marathon,gsantovena/marathon,meln1k/marathon,Caerostris/marathon,mesosphere/marathon,guenter/marathon,guenter/marathon,mesosphere/marathon,guenter/marathon,janisz/marathon,gsantovena/marathon,guenter/marathon,gsantovena/marathon,gsantovena/marathon,janisz/marathon,Caerostris/marathon,mesosphere/marathon,Caerostris/marathon,natemurthy/marathon,meln1k/marathon,meln1k/marathon,Caerostris/marathon,janisz/marathon,mesosphere/marathon,natemurthy/marathon,janisz/marathon