Release procedure

Snapshot release

sbt +test
sbt +package
sbt +publishSigned
Check it seems OK: https://oss.sonatype.org/content/repositories/snapshots/com/github/darrenjw/

Check ReleaseNotes OK
Remove snapshot from version in build.sbt
sbt test package
Check everything OK
sbt +publishSigned
Check it seems OK
sbt +sonatypeRelease
Check it seems OK: https://oss.sonatype.org/content/repositories/releases/com/github/darrenjw/
Check/edit ReadMe version numbers
Bump version numbers for examples and example scripts and re-run to check
Commit and push
Check GitHub OK
Do a GitHub release
Bump version to next snapshot in build.sbt