For interested parties and in case someone searches for OS X here. Lots of things updated and new removal info starting at:

But the biggie : after months of work there is an installer for OS X 10.9 and 10.8:

Developers: There is no change  in how/where anything is installed, same as manual. Also, this is great for heavy testing where you need to git clone…test several times a day. Just click a couple of times and walk away. Saves tons of time for me.

The old wiki pages will no longer be updated as of today, they point to the new pages: