MakeDrive Images

https://dl.dropboxusercontent.com/spa/n5v3bx9nnjkdpzf/dutkm41m.png

This is my initial commit on `/images` PR. I think the server side code is ready for ready, but for client I will probably talk to Matthew or Ricardo this Tuesday and get some feedback on the current design.
Each recursive invocation will get its own local version of `list`, and you'll see that I'm calling `list.concat()` to join the lists from each call.