deduplicate the oldest copy of an item
add next_refresh and refresh_interval columns to db

ALTER TABLE "user" ADD next_refresh timestamp; update "user" set next_refresh=last_refreshed + interval '7 days'
ALTER TABLE "user" ADD refresh_interval Integer; update "user" set refresh_interval=7
make updater use next_update column to update periodically every day
accept csv tiids in a POST
Merge branch 'master' of github.com:total-impact/total-impact-webapp
redirect http traffic to https
add redirect from www to naked domain (http://impactstory.org)
add logging to www redirect.
user has to be logged in to the profile they are trying to PATCH in /about
only the product owner can edit a product.
temp
Slug uniqueness enforced regardless of case.

When a slug is created that's a duplicate of another except case,
it gets a unique number appended to the end. Also adds a "loading"
image to the signup form while users wait for the signup finishes,
before they redirect to their profile page.
Merge branch 'master' into show-alerts

Conflicts:
	totalimpactwebapp/static/dist/ImpactStory.js