Release process for Archetypes

Regenerate the blanks by running
```
 ./generate-blank.sh -ca
```
which will update the blank archetypes from the main sources
Commit any changes to the blanks

Update versions by running

 ./release-utils.sh -u -o <old snapshot version> -n <release version>

Commit the version update

Tag

 git tag -a <release version> -m "Release <release version"

Stage the release
```
 ./release-utils.sh -r
```

Reset version numbers to snapshots

 ./release-utils.sh -u -o <release version> -n <new snapshot version>

Commit this
Promote the staged repo