Improve to avoid NPE if the base layer is not in map
Merge
Removed WFST edit mode to avoi problem
TODO: Restore the WFST edit on tree
Added GWT-OL EmptyLayer to the off-line base layer configuration
Merge branch '1.5.x' of github.com:geosdi/geo-platform into 1.5.x-offline
Removed WFST edit mode inherit from entry point
Merge branch '1.5.x' of github.com:geosdi/geo-platform into 1.5.x-offline