Merge pull request #18 from jrha/master

Add ugly script for automated release building
Merge pull request #19 from jrha/master

Add quick and dirty release note generator
Remove echo preventing releases from happening
Update list of default release repositories

Now the 13.1.x series has finished, we won't be releasing rpmt-py or spma anymore.
We should additionally be releasing ncm-lib-blockdevices which was missing before.