If you want to checkout the code, and get it running locally. For developers of interest.
Add Remote Repositories ... see download section!
Add user-specific properties in ~/.m2/settings.xml:
<settings>
<profiles>
<profile>
<id>josceleton-profile</id>
<properties>
<josceleton-peruser_eclipse_workspace_path>
/path/to/eclipse/workspace/
</josceleton-peruser_eclipse_workspace_path>
<josceleton-peruser_checkstyle_suppression_file_path>
${josceleton-peruser_eclipse_workspace_path}checkstyle-config/src/main/resources/checkstyle_suppression.xml
</josceleton-peruser_checkstyle_suppression_file_path>
<josceleton-peruser_checkstyle_configuration_name>
josceleton-checkstyle-config
</josceleton-peruser_checkstyle_configuration_name>
</properties>
... activation ...
... repositories ...
</profile>
</profiles>
</settings>