Extended PolygonHandler by PolygonHandlerOptions for drawing holes in
polygons
Added DrawPolygonWithHoles example
Merge pull request #17 from TDesjardins/master

Added PolygonHandlerOptions for drawing holes in polygones
Some Improvements
Added keymask features to handler
Added keymask example
Fixed problem for WMTS Example
Merge branch 'master' of https://github.com/geosdi/GWT-OpenLayers