added PropTypes to components

added a state boundary wms layer.

added error handling for censusGEORequest.

fixed overlay - now won't display when map is initially loaded.

fixed InfoPanel data income format.

change search result info display to react-bootstrap-table.

added display and zoom to returned geojson.

changed from census.APIRequest to census.GEORequest

added selection interaction

added pan animation and coordinates overlay.

added a simple overlay.

added simple map functions - set center and add marker after search.

made simple census api call responding.

set up basic structure

initial commit