added pg to production env gems
added pg to production env gems

FreeRidePGH/BikeBinder,FreeRidePGH/freeride1,FreeRidePGH/BikeBinder,FreeRidePGH/BikeBinder,FreeRidePGH/freeride2,FreeRidePGH/freeride2,FreeRidePGH/freeride1,FreeRidePGH/BikeBinder