 1. update release notes and github readme page
 2. mvn deploy (use local pgp key password, or is it oss.sonatype's password?)
		server needed in settings.xml (see below)

maven's settings.xml:

    <server>
      <id>ossrh</id>
      <username>sonatype user</username>
      <password>sonatype password</password>
    </server>
