Merge pull request #21 from HarleyKwyn/master

Removed angular-d3-helloWorld folder
added simple stringified version of values to mainindex view
added logic to handle global primitives Inifinity, NaN, and undefinied
Added first round of styling.
fixed nav bar to top of page
updated styling such that the code box takes up entire screen
Edited bootstrap CSS to remove nav bar padding and moved controls up to top right of ace editor
Added style and formatting for key value pairs
changed classes to display scope and variables properly
added styling to scopes and made controls smaller
turned tree on its head to show most recent scope on top