Add function to identify errata release_version and copy
errata yaml template to job

Signed-off-by: Gowrishankar Rajaiyan <gsr@redhat.com>
Use exceptions instead of sys.exit

Signed-off-by: Gowrishankar Rajaiyan <gsr@redhat.com>
return 0 if errata_yaml() is successful

Signed-off-by: Gowrishankar Rajaiyan <gsr@redhat.com>
Merge pull request #83 from gsr-shanks/dev

Dev