'Creates the loader for the Jinja2 environment.  Can be used to
override just the loader and keeping the rest unchanged.  It\'s
discouraged to override this function.  Instead one should override
the :meth:`jinja_loader` function instead.
The global loader dispatches between the loaders of the application
and the individual blueprints.
.. versionadded:: 0.7'

def create_global_jinja_loader(self):

    return DispatchingJinjaLoader(self)
