Load in visualization code
Integrate with the new workflow
Resolve conflicts; ignore generated JavaScript

Also, add in D3 from the CDN
Mop up Git conflict throw up
Add in some buggy visualization support
Clean up some comments and whatnot
Resolve conflicts
Capitalize the visualization library
Set up the visualization engine to create an empty Rickshaw instance
Merge pull request #48 from stevekinney/visualization

Set up the basic architecture to include visualizations
Restricts context changes to teachers

partially address #18 and #42, plus lots of bug fixes
Merge branch 'issue_18' into merge-rickshaw
merged with Rickshaw work, completed #42
Merge pull request #51 from mikeedwards/merge-rickshaw

Issues #18 and #42