Adding Resources folder and mat-caps

- Added Resources folder for mat-caps, textures, etc.

- Added a collection of GPL mat-caps created by Kent Trammell

Signed-off-by: Jonathan Williamson <jonathan@cgcookie.com>
Reverting Resources commit, moving to own repo

I'm moving the resources to their own repo so as to not clutter up the scripts.

There is now a "Resources" repo that is ideal for mat-caps, textures, etc.

Signed-off-by: Jonathan Williamson <jonathan@cgcookie.com>