Modify routes for new account creation flow [#79720994] https://www.pivotaltracker.com/story/show/79720994

Signed-off-by: Rob Gallagher <rgallagher@pivotallabs.com>
Rename response JSON object [#79720994] https://www.pivotaltracker.com/story/show/79720994

Signed-off-by: Rob Gallagher <rgallagher@pivotallabs.com>