Issue #182 - Sysadmin can set FB app details
Issue #177 - sysadmin can set Meetup keys
Closes #207 - when recur an event, should include tags
Closes #145 - remove help pages on site for now.
They are just so bad. When we have decent user docs we'll think about putting something back.
Closes #121 - when searching for dupe events, try to match URLS better. Also match by ticket URL to.