This is great! I had previously started working on a Petsite CMS I had called Ghost (after the term Ghostwriter) which I was building on Laravel 4. Recently I had decided that I was going to go back to the project, restart on Laravel 5 and build it for a '100 Day Challenge'; I'm not sure what I'd be able to offer to the CMS TGL (as I am still going to build Ghost and run that challenge, I have a plan to start it in the middle of May when I have the time), but would still be up for assisting if any help is needed here and there.
Hope this goes well!