Add directive for drawing notes
Add directive for positioned notes
Add directive for rendering basic measures
Add bar lines to the end of measures
Support multiple measures side-by-side
Displays meta track measures
Computes note position and measure width correctly
Merge branch 'document-svgs'

Conflicts:
	app/js/leftBar.js
	app/views/index.html
Set svg code as main document view
Clean up index.html
Clean up app structure, compile CoffeeScript via Grunt
Remove unnecessary files
Adds staff textbox & model watcher
Makes the svg track selectable and attaches keydown listeners
Compiles meta measure on keypress
Add new measure on keypress
Renders new notes on keypress (errors on console)
Removes some errors on console
Adds simple measure input and rendering
Add rendering note message