Forgot change password

[bbearce]

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

[Didayolo]

@bbearce

Flake8 formatting issues:

^@^@src/apps/profiles/urls_accounts.py:15:1: W293 blank line contains whitespace
src/apps/profiles/views.py:163:1: W293 blank line contains whitespace
src/apps/profiles/views.py:166:1: E302 expected 2 blank lines, found 1
src/apps/profiles/views.py:175:110: W291 trailing whitespace
src/apps/profiles/views.py:179:41: E261 at least two spaces before inline comment