Perform a release using mvn release plugin

These are some rudimentary notes about doing a release of MetaModel and/or AnalyzerBeans, which use the release plugin for maven.

1. Check that your M2_HOME/settings.xml file contains a server-registration matching the site-id in the POM file of your project.
2. Run "mvn release:prepare".
3. On multi-module projects, enter "target/checkout" and do a "mvn install" there.
4. Run "mvn release:perform".
5. Go to oss.sonatype.org and log in.
6. "Close" the newly created repository
7. "Release" the closed repository