Add raw_password to Users in tests
upgrade dj_inmemorystorage
Avatar compatibility improvements

This adds (for avatars only):
 - Token Authentication as a form variable.
 - POST for update (with disabled CSRF).
Simplify avatar test
More specific http method delegation
Allow changing of avatars through legacy post
Do not change immutable QueryDict
Update changelog
Avoid re-assigning variable
DRY out avatar views
Reduce cruft in avatar test
Use latest version of psycopg2 in tests
Merge pull request #81 from incuna/avatar-improvements

Avatar compatibility improvements