Implemented the 2nd part of bulk acceptance. The context of the _list call can now be set by using the kwarg context. This will be merged with the universalcontext. Added a TODO to create the organziation accepted email template. Patch by: Lennard de Rijk Reviewed by: to-be-reviewed

Benjamin Niemann <pink at odahoda dot de>: Main developer of Python target.
Clinton Roy <clinton.roy at gmail dot com>: AST templates and runtime.