Profile overhaul-emails, defaults, & render

Add and remove email addresses
TODO: set primary contact email address
Add policies and backend APIs for User email addresses
Add front-end template for email editing and render dynamically

Fix pre-populating agency and location select2 boxes

Fix populating agency and location in popovers

Clean up other views in the process
For some reason code was included that was completely unnecessary
because either Bootstrap or jQuery takes care of it for you.