Update py-werkzeug and py-werkzeug-docs to 0.11.3.

Version 0.11.3
--------------

Released on December 20th 2015.

- Fixed an issue with copy operations not working against
  proxies.
- Changed the logging operations of the development server to
  correctly log where the server is running in all situations
  again.
- Fixed another regression with SSL wrapping similar to the
  fix in 0.11.2 but for a different code path.

(kleink)