Adding the Oscailte theme (as a submodule).
adding a script to help keep submodules updated.
`rake install[oscailte]`

Note that I also had to delete `sass/inuitcss/.git`, sigh.
Playing with config settings
Navigation.
Adding the tutorials as a submodule.
Updating .ruby-* files.
Updating to latest tutorials.
rake task for pulling in the tutorial markdown files
Adding the built tutorials.
Adding rdoc and github links to the navbar
Removing sidebar from tutorial pages.
repo-update: always be on master
Improved footer
Updated tutorials repo