Changing version to 2.2.1-snapshot, since this fixes a major problem with the...

Changing version to 2.2.1-snapshot, since this fixes a major problem with the last release (and only contains one bugfix). Also, updating the documentation to reflect MCLIRR-12 and introduce plugin versions to the examples. Finally, adding SCM info, tagBase (for the release plugin), helpmojo from the plugin-plugin, and my own information to the POM.

git-svn-id: file:///home/tiste/MOJOHAUS-TO-GIT/SVN-MOJO-WIP/trunk/mojo/clirr-maven-plugin@7158 52ab4f32-60fc-0310-b215-8acea882cd1b