Templating in functional tests made reusable.
 Added the SupportedUserAttributes class.
Updated the DeviantART.user_info_url
Fixed Facebook._x_user_parser
Added user property support info.
Improved functional tests.
Updated structure of CHANGES.rst
Added missing DeviantART.user_info_scope
Improved functional test suite.
Merge branch 'master' of https://github.com/peterhudec/authomatic