alphagov/backdrop — pull request #130 by phss (2013-08-02 15:15:14+00:00)
Title: Evl volumetrics upload

Details of what data we are parsing and storing: https://www.pivotaltracker.com/story/show/54109487

Of note, we changed CSV and Excel file upload to produce parse tabular input assuming multiple sheets. This means that the raw data input will be a nesting of 3 lists: sheets -> rows -> values.

@robyoung and @phss