Fixed a number of lint warnings, particularly around unused variables.
Fixed #20842 and #20845 - Added a note on order_by() and improved prefetch_related() docs.
Fixed #20860 -- Removed references to defunct chicagocrime.org
Added some Selenium tests for the admin raw id widget.
Added a note to the 1.6 release about the new `--keep-pot` option for `makemessages`.
Refs #17008.
Fixed a small formatting issue.
Fixed some intermittent Selenium test failures.
Fixed #20862 -- Updated startproject MIDDLEWARE_CLASSES in docs.

Thanks Keryn Knight.
Fixed #20859 - Clarified Model.clean() example.
Fixed #20832 -- Enabled HTML password reset email

Added optional html_email_template_name parameter to password_reset view
and PasswordResetForm.
Fixed #20850 -- Added MultiWidget.needs_multipart_form