juju status: fixes lp:1361316
handle when apiclient.Status() returns a nil api.Status pointer
Merge pull request #1080 from wwitzel3/ww3-lp-1361316

juju status: fixes lp:1361316

handle when apiclient.Status() returns a nil api.Status pointer

Bug: https://bugs.launchpad.net/juju-core/+bug/1361316
Review: http://reviews.vapour.ws/r/382/