Trying to get textures to work

Also removed the orbit camera switching thing.  It messed with the
rotation.

Huge file clean up soon.
Extra.

Added Tom's code for his camera from Skype.

Fully removed the camera switching "feature".
"fixed" some textures

finetuned some textures on the tank and building models, to look
somewhat better
Some things.
Things that didn't go through

from the last commit.
Mass cleanup and probably final commit.

Calum will position and set up the models, then that should be us!
Final commit.

models are in, skybox decided to turn off.  stupid skybox.

Uploading after pushing to master.