rhbz#1247722 - Report that discovery completed with errors
rhbz#1247722 - Report that discovery completed with errors

https://bugzilla.redhat.com/show_bug.cgi?id=1247722

The message "Discovery completed" was being displayed regardless if there
were errors in the discovery process. This patch will display
"Discovery completed with errors" if there were any errors during discovery.

Change-Id: I09dad08b31be24fc4ce9879b2e502981b17d6f47

rdo-management/python-rdomanager-oscplugin,openstack/python-tripleoclient