Played with layer addition/subtraction. Not quite working yet.
Create Experimental README
Merge branch 'experimental' of https://github.com/Sotaur/Geant4-web into experimental
Did some formatting for the buttons.
Worked on layers some more
Worked on layers some more
Finally got layers to show. 11 layers to be precise. All 3 buttons add 11 layers.
Worked on debugging layers.
Merge branch 'master' into experimental

Conflicts:
	app/index.html
	app/js/layers.js
Merge pull request #6 from Sotaur/experimental

Experimental