Couple small fixes
* BUGFIX lists/show was broken for almost every filter other than the defaults
* trying to set obs iconic taxon on every save
* delete button for obs fields
* prevent delete for obs fields in use
* manual check list refresh goes in the slow queue
Trying out html user stats.
Linked user stats for bioblitz projects.
Minor fix for user_stats.
Bugfix: obs export was broken for bbox, other minor stuff.
Merge branch 'master' into windshaft
Added satellite and terrain map layers back.