first commit
Add files created over the weekend.
Comment out angles file in preperation to move code to barChart
Add angles code to barChart.

Change indicator to orient with x-axis.
Convet angles to positive values to reduce need for full rotations.
Added short readme.
Add more explanation in README
Move script tags to footer for perfomance optimization.
Refactor; set bar chart's height on page load.

Since there are only two bars we know how tall the parent svg should be.
Add styling.
Add separate file for angles directive for modularity.
Refactor to remove directive that has been placed in separate file
Correct dependencies in app to include the two separate directives.
Update index.html to load the angles.js directive file
Add separate file for MainCtrl for modularity
Remove MainCtrl from body of app.js; inject MainCtrl.js as dependency.
include script tag for MainCtrl file
Add roots.controllers as dependency
Change D3 source to CDN for performance
Ignore npm_modules and npm-debug.log
Add package.json

Includes grunt as devDependecy