Make visualizer log song info on click
cleanup d3
Get angular-d3 integration working
Make visualizer log song info on click
Merge branch 'd3-improvements' of github.com:daviskim/mojsart into d3-improvements
Merge pull request #8 from daviskim/d3-improvements

D3 improvements
Remove promises code for echojs
Refactored initializtion of demo environment - broke demo code into demoInit.js which is now called in app.js
Improved demo code to check to see if songs exist in database before adding
Merge pull request #9 from gnauhnoj/JonDev

Server side changes for demo environment initialization