Initialize additional member variables for components.

        Every component activated through the `Environment` object
        gets an additional member variable: `env` (the environment object)

def component_activated(self, component):
        """Initialize additional member variables for components.

        Every component activated through the `Environment` object
        gets an additional member variable: `env` (the environment object)
        """
        component.env = self
        super(Environment, self).component_activated(component)