Updating to latest masters

Deployed new service (4952462b0045d0f22ce31eaa80d671e9b3dc9350):
* Don't halt gc due to readdir after clean; more verbose error reporting.
* Ensure that directories are initialized in GC thread.
* Fix GC of failed jobs.
* Fix job progress status indication.
* Record which host picks up a job.
* Add script to allow host decommissioning.
* Be sure that `console.log` appears on console output.

Deployed new bundler (8565c79549e107ffa10fa817d00348b85ba9dbb9):
* Hook up npm-travis.

Change-Id: I1c17ed0ba236ff20b56047bafe3aa9e6dced141d
Merge branch 'master' into wmf-deploy

Change-Id: Ie8c88d23606c79856584b2d66f7ede8213a35b67