Add Root Note Menu

Also, I changed the colorscheme and added Music.js as a dependency.
Show labels on Menu

Change the name of the class since a dedicated ScalePicker object
is not necessary at this point. Attach functionality so these menus
actually work. Currently, there is a bug in the ordering of notes:
notes are out of order and the scale is upside down ( bottom is higher
pitched).
Add images for the grid extend button
Add grid extend and fix scale, root menu styling