Trying to stop crawlers from indexing any page with GET params.
Bugfix: border was missing from comment tabs on obs/show.
Supressed updates for identifications added as part of taxon changes.
Made all taxon changes create updates for affected users.
Put a 5 min cache on home page observations for everyone.
Removed seriously slow select clause in one of Observation's scopes.
Bugfix: js bug on dashboard was preventing subscription links from working for new users.