Create basic layer definition
Correct merge artifacts.
Fix more merge artifacts.
Add separate file for layers.
Implement layer swapping, remove merge artifacts
Merge branch 'logicGrid' of github.com:netcreator/gravedanger into logicGrid

Conflicts:
	index.html
Adding in the basic empty logic grid.
Merge branch 'logicGrid' of github.com:NetCreator/gravedanger into logicGrid

Conflicts:
	scripts/playing.js
Fixed spelling error in "collumns" -> "columns"
Merge branch 'logicGrid' of github.com:netcreator/gravedanger into logicGrid

Conflicts:
	scripts/playing.js
Merge branch 'mainMenu' into logicGrid
Added in some temporary code for place holders for future layers to be added. They are commented out and can be edited as needed or removed.
Added in more commented out code holders and pointed out a slight problem
added one sentence to the game.load.images for digging for clarification about stage0
Added in a commented out section in the main menu for music. In the mainMenu branch I plan on implementing a working version.
Add layer implementation file.
Edited layers to use logicGrid from the playing.js file and removed afformentioned grid from playing.js
Forgot to save the previos changes to playing.js. They should appear now :D
Fix various member variables.
Add additive drawing for the layer.