Gazetteer search use unaccent
[WARNING] Indices must be rebuilded on existing gazetteer database to make this work (see gazetteer install script)
Create indices on landuse *, continents and countries columns
[MAJOR] Use RESTo unaccent database function to index geoname and alternatename tables
States and regions real name (i.e. non unaccented) are stored as json strings within hstore value