DS-384 - Drops data column from dosomething_signup table
Merge pull request #3105 from aaronschachter/drop_signup_data

DS-384 - Drops data column from dosomething_signup table
Update failing logged-in signup test based on #3109 changes.
Merge pull request #3110 from DFurnes/casper-user-test-bugs

Update failing logged-in signup test based on #3109 changes.