juju/juju — pull request #143 by axw (2014-06-23 01:53:45+00:00)
Title: provider/azure: sanity check cert

- Don't read an unbounded amount of data
from management-cert-path, because users
are prone to specifying the wrong file.
- Verify the contents are PEM.

Fixes https://bugs.launchpad.net/ubuntu/+source/juju-core/+bug/1250007