Add an initial version of some code to drop opengrok on a machine

Still very rough, with almost no tests OH NOES
Properly install the source.war file into the appropriate tomcat dir
Add a simple defined resource for pulling in git repos
Add a simple repository updater that will run every 10 minutes
Properly require git for git clonining <_<
Add a simple readme with an example
Add a simple Modulefile for puppet forge
Update to support newer ubuntu, remove jars