Create a new directory to house the projects
Clone playfire.github.com first:
$ git clone git@github.com:playfire/playfire.github.com.git
Symlink the .mrconfig into position:
$ ln -s playfire.github.com/mrconfig .mrconfig
Add this .mrconfig to your ~/.mrtrust:
$ echo $(pwd)/.mrconfig >> ~/.mrtrust
Checkout the rest:
$ mr checkout
Done!
$ mr run git config user.email you@playfire.com