Make sure the geoserver_data directory is created before installing geoserver.
Initial work to move the rogue_geonode logic into an LWRP.
Documentation and attribute clean up.
Refactoring rogue default into an LWRP
Retry the GeoGit installation if it fails on the first run.
Add a war definition to abstract war file deployments.
Switch the GeoNode installation to a LWRP.

Fixes #11.
Fixes #20.