more travis builds

and rebalancing

Change-Id: I3c1e8b60b25331660e878bbdc14e80f1b941dbe2
Reviewed-on: https://gerrit.instructure.com/29479
Reviewed-by: Brian Palmer <brianp@instructure.com>
Product-Review: Brian Palmer <brianp@instructure.com>
QA-Review: Brian Palmer <brianp@instructure.com>
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Bryan Madsen <bryan@instructure.com>