Add new Geocoder Widget. Can be configured as a button on the map
(default) or fully expanded like the default ESRI Widget it replaces.
Changed geocoder widget defaults for demo purposes to behave similar to
original ESRI widget.
expand width of geocoding results box.
increase the width of the geocoder widget to match the size of the
original.
Merge pull request #144 from DavidSpriggs/feature/new-geocoder-widget

Feature/new geocoder widget