Turn on monit http server behind the protected port 10114 for skia-monitoring.

First in a long series of CLs that will build up the system for pushing individual applications to GCE instances.

BUG=skia:

Review URL: https://codereview.chromium.org/777403002
Fix monitrc perms, can only be 600, not 666.

BUG=skia:

Review URL: https://codereview.chromium.org/781963002
Starting on a commit selection dialog.

Adds commit-selection-sk element for choosing a commit from a list.

Also adds in basic machinery for doing unit testing on web components via karma.

BUG=skia:

Review URL: https://codereview.chromium.org/769093003
Alerts: show "snoozed until" message regardless of editRights status

BUG=skia:

Review URL: https://codereview.chromium.org/785453003