Tentative fix for visualisations in IE7 and 8. Using r2d3 to provide the shim.
Update to latest upstream changes prior to merge
Update branch to latest master
Small changes to copy and formatting
Merge pull request #186 from jvc26/feature/r2d3

Tentative fix for visualisations in IE7 and 8
Merge pull request #198 from DeckOfPandas/copy/various

Small changes to copy and formatting