EsriGemetries support:
- Correct esriGeometryType
- Read and write all simple geometric type (both simple and geosjon-like).
- Multigeometries may work
- Initial suport for numerci layerIds request (instead of named
  bodLayerIds)
- Initial compatibility test with ESRI Javascript API
- Added tests to esrigeojsonencoder
- More "identify" examples