- #1504548 by joachim: Added example of setting the node body to documentation for hook_simplenews_scheduler_cloned_node_alter().

- #1364784 by joachim, Berdir: Added a 'next_run' timestamp to scheduler data; fixed monthly intervals varying.

- #1483964 by joachim: Added backport of hook_simplenews_scheduler_cloned_node_alter() from 7.x-1.x branch.

- #1471438 by joachim: Fixed simplenews_scheduler_editions record getting wrong time for new edition.

- #1461156 by Berdir, joachim: Fixed node creation time to use defined time rather than request time.

- #1399626 by joachim: Part 3: Removed checking of _simplenews_scheduler_new_edition() return value.

- #1399626 by joachim: Part 2: Moved handling of stop edition to simplenews_scheduler_get_newsletters_due() rather than edition creation.

- #1399626 by joachim: Part 1: Added a helper function to get due newsletters to refactor hook_cron() for cleaner testing.

- #1352740 by joachim: Fixed original node body appearing twice in newsletter edition node edit form body field.

- #1352688 by joachim: Fixed Views admin links appearring in edition node body: render edition nodes as the anonymous user.

- #1352616 by joachim: Changed _simplenews_scheduler_new_edition() to take care of saving its database record.