Increase cache time of undone notification count to 5 mins.
Support js from ShareCampaign
Removing login / register js from ddgc_campaign. Fix for id_for_campaign
Make user/campaign seen/responded calls a bit more flexible.
Set some variables for the share page.

Everything else should be handled by js?
Basic email template
Conditional inclusion of css/ js
Show / hide sections on share page based on passed vars.

Form / Thank you message show / hide to be done by script.
Removing separate question templates - happy enough with these in share.tx