py-flask-user: updated to 1.0.2.2

* v1.0.2.2:
    * Added new settings to ``UserManager`` which can be used to customize page
      footers: ``USER_APP_VERSION``, ``USER_CORPORATION_NAME``, and
      ``USER_COPYRIGHT_YEAR``
    * Fixed crash when one tried to change username and ``USER_ENABLE_EMAIL``
      was falsy
* v1.0.2.1:
    * Added Slovak, Polish and Ukrainian translations.
    * Fixed bug in "Password Changed" email template
    * Fixed crash when USER_ENABLE_INVITE_USER is set
    * Updated min allowed version of ``passlib`` from 1.6 to 1.7
* v1.0.2.0 - Production/Stable release. Dropped support for Python 2.6 and 3.3.

(adam)