Add email change redirect URL to client additional information

[#79826948] https://www.pivotaltracker.com/story/show/79826948
Respond with redirect uri if clientID present in code data on email verification

[#79826948] https://www.pivotaltracker.com/story/show/79826948

Signed-off-by: Madhura Bhave <mbhave@gopivotal.com>
Merge branch 'feature/change_email_client_redirect' into develop