Added select and deselect all buttons. Better centering
Added select and deselect all buttons. Better centering

dangoldin/jersey-city-open-data,dangoldin/jersey-city-open-data,dangoldin/jersy-city-parking-mapper,dangoldin/jersy-city-parking-mapper,dangoldin/jersey-city-open-data,dangoldin/jersy-city-parking-mapper