Add to_submitter_only to ReviewPublishedEmailHook
Review Request #8894 - Created April 12, 2017 and submitted
ReviewPublishedEmailHookwas missing the
argument and we weren't sending it when filtering. This patch adds it
in. This patch also corrects the documentation of the
ReviewpublishedEmailHook.get_cc_fieldmethod to correctly refer to the
cc_fieldargument instead of
Ran unit tests.