Add flask_admin to requirements
Remove unused imports
Refactor code so as to reuse the same sqlalchemy engine in Login and UPS
Accept also unicode in check_session(id)
Small cleanup in comm.server
Integrate the new administration panel so it checks the credentials of the UserProcessingServer
Merge branch 'db-upgrade' of https://github.com/weblabdeusto/weblabdeusto into db-upgrade