cylc/cylc — pull request #922 by benfitzpatrick (2014-03-19 12:22:33+00:00)
Title: cylc gpanel: fix display for no-task suites.

This fixes the `cylc gpanel` display for suites that stop
with no task states (a group status of `None`).

gsummary doesn't use the status as text, so it is unaffected.

@hjoliver, please review.