Do not show change password in the menu if user provider is not local
Refs: #2535
In get menu call: check for email absence before querying the database for retrieving the user
Include service id in get_services json response
Merge branch 'refs/heads/0.6'
Conflicts: docs/source/backends.rst docs/source/conf.py docs/source/devguide.rst
narrow access to user info only to privileged users
missing import
Provide an API call for the service clients to send user feedback