Forgot change password

Template

We want users to be able to change their passwords.

@ mention of reviewers`

@Didayolo @dtuantran @Anne-Catherine`

A brief description of the purpose of the changes contained in this PR.

We want users to be able to change their passwords. This includes a forgot password functionality and change password functionality. Patterned after codalab this allows either use case to be funneled into a change password functionality with email token sent to verify user account.

Issues this PR resolves

#759...partially at least. #706

A checklist for hand testing

• Go to profile icon and find Change Password link.
• Likewise, go to the Login screen and find the "Forgot your password?" text.
• This brings you to ()http://localhost/accounts/password_reset/)
• This brings you to (http://localhost/accounts/password_done/
• This brings you to (http://localhost/accounts/password_reset/done/)
• This brings you to (http://localhost/accounts/reset/MQ/set-password/)
• This brings you to (http://localhost/accounts/reset/done/)

Any relevant files for testing

Checklist

• [ x] Code review by me
• [ x] Hand tested by me
• [ x] I'm proud of my work
• Code review by reviewer
• Hand tested by reviewer
• CircleCi tests are passing
• Ready to merge