Add script and grunt task for CSV conversion
Remove unused object properties
Remove unused code and fix issues
Add CSVs for each lot
Update Gruntfile.js to describe new CSV outputs
Add assurances questions to CSV
Update CSVs to include assurances
Correct spelling of SCS lot

..which means content_SCS.csv works now.
Merge pull request #109 from alphagov/add-csv-conversion-script

Add CSV grunt task