Rename 'connection' to 'user_db_connection' to fix name collision with ActiveRecord connection
Rename 'connection' to 'user_db_connection' to fix name collision with ActiveRecord connection

splashblot/dronedb,CartoDB/cartodb,CartoDB/cartodb,splashblot/dronedb,splashblot/dronedb,CartoDB/cartodb,CartoDB/cartodb,splashblot/dronedb,splashblot/dronedb,CartoDB/cartodb