- fixed normals
TODO: fix floor overlaps
--temporarily added gap on floors for easier adjustment
Merge remote-tracking branch 'origin/master'

Conflicts:
	renderer.js
Merge remote-tracking branch 'origin/master'

Conflicts:
	renderer.js
- merged with kim
- new features: fog
          changeable light parameters
          F key : freeze camera view
 -stripped unnecessary variables
- merged with kim
- new features: fog
          changeable light parameters
          F key : freeze camera view
 -stripped unnecessary variables
Merge pull request #7 from isnalla/allan

Allan