RR: added code to redact email addresses from use_case field etc...

Change-Id: Id6ce86d2af3216165ca4c3457765950bfe642743
RR: added settings.py .

Change-Id: I10b0fea3edb0e939f962109d7cc2aaafda67e403
RR: added a flag to control publishing of private fields.

Change-Id: I476e36cf60297ef96d9651052f4f8bb373db60ba
Merge branch 'redact_emails'

Conflicts:
	langstroth/settings.py

Change-Id: I5f278ea4057db049bb25ee07b6bd56e5f0771bf7