BZ #795794 - Display a saner error message if launch fails.
BZ #795794 - Display a saner error message if launch fails.

The messages after the first line appear to be more of a dump of the
request than helpful error text, so only relay the first line to the
user -- this is the one that describes the problem.

Resolves https://bugzilla.redhat.com/show_bug.cgi?id=795794

aeolusproject/conductor,aeolusproject/conductor,aeolusproject/conductor,aeolusproject/conductor