This is m2e-scalaxb, a project configurator for m2eclipse to provide support for projects using maven-scalaxb-plugin.
In Eclipse, select Help->Install New Software. Copy and paste the following
URL into the Work with location, and press Enter:
http://martiell.github.com/m2e-scalaxb/update
Select the feature, and use the Eclipse install wizard to finish the installation.
To build this software, run: mvn install. This will (eventually) build an
update site in site/target/site.
To install into Eclipse, select Help->Install New Software. Click Add,
then Local, and navigate to the update site. Click OK. Select the feature,
and use the Eclipse install wizard to finish the installation.
This software is distributed under the MIT License. A copy of the license text can be found in the file called LICENSE.