Swarm tasks#241

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jcmcote wants to merge 9 commits intoehazlett:masterfrom

jcmcote:swarm-tasks

Commits on Sep 1, 2017

Commits on Sep 8, 2017

Commits on Sep 9, 2017

forgot to un-comment running-inside-docker check
jcmcote
committed

Commits on Sep 23, 2017

Commits on Oct 24, 2017

poller checks when tasks state change and triggers and update
jcmcote
committed