Orbital station

## Do not merge!
I'm putting this up early, so it's up for @Fluffyfreak to work on the new way of dock setup (and to motivate myself a bit).

My aim is to make it's textures passable as soon as I can, then incrementally add more detail and polish to the textures and the model eventually, but that's a separate issue.

Right now it looks like this:
![screenshot-20140730-232645](https://cloud.githubusercontent.com/assets/4182678/3756647/82c693cc-1830-11e4-8439-62359a986142.png)
![screenshot-20140730-232703](https://cloud.githubusercontent.com/assets/4182678/3756648/82dfa2ea-1830-11e4-8a90-f548d4c1feee.png)
![screenshot-20140730-232805](https://cloud.githubusercontent.com/assets/4182678/3756649/82ee7b58-1830-11e4-8688-a79a0ab3b142.png)