Disabled Mongo write concern by default in all Leonard instances.
Disabled Mongo write concern by default in all Leonard instances.

daviddeng/azrael,olitheolix/azrael,olitheolix/azrael,daviddeng/azrael,daviddeng/azrael,olitheolix/azrael,daviddeng/azrael,olitheolix/azrael,olitheolix/azrael,daviddeng/azrael