GWTII-218: describe layer for WMS 
GWTII-226: introduction of new interfaces FeatureInfoSupported +
FeatureSearchSupported
GWTII-218: fix test
GWTII-229: scale info mixup + fix for 1.1.1
GWTII-226: FeatureInfoSupported through geojson
GWTII-218: duplicate sample key + better text
GWT-218: checkstyle + id is optional
Merge pull request #102 from geomajas/GWTII-218-wms-describelayer

Gwtii 218 wms describelayer