Bugfix: CSV downloads were broken for ppl w/ less than 1000 obs.
Bugfix: single taxon lookups were bailing with parens.
Bugfix: html escaping problem on observations/id_please.
Bugfixes for deleted users, curator change updates.
Made cache on taxa/index locale-specific.
Tried to fix some uBio bugs.
Removed user agent from CSV output.
Merge branch 'master' into i18n