experimental camera system
- experimental camera system
Array optimization/New Textures
-   improved vertex coordinates (shorter vertices and indices array length)
    -   added new texture images
    -   changed order of formal parameters of box (l,w,h -> w,l,h)
    TODO: fix texture mapping for improved vertices array
- reorganized code
Added floor,walls,textures
    - reorganized code
    - added new materials
    - new feature: freeview camera
         TODO: fps camera (shouldn't move up)
    - added new walls,floor, void in middle, void in stairs
        TODO: adjust intersecting objects
Merge pull request #1 from isnalla/allan

Allan