572257c - Merging depleater and duilio versions
bbba7cf - Added empty ‘registration’ templates for use in ‘invitation’ test suite.
1181a13 - Added test template ‘page_base.html’.
7fe513a - Added ‘utcnow_aware()’ function, replaced any use of ‘datetime.datetime.now()’.
8c32d83 - Fixed PEP8 violations, as well as reindenting some oddly-formatted code.