Added deegree dependency to geomajas-layer-wms
Added exclusions to deegree dependency
Implemented legend image support to WmsLayer
Removed unnecessary import
changed property dataSourceName to geosparc:bluemarble to match layer name in capabilities document
added tests for new legendGraphic methods
Merge branch 'getLegendImageFromWms-183' of github.com:lat-lon/geomajas into getLegendImageFromWms-183
Implemented creation of legend image by url into LegendGraphicServiceImpl
Merge branch 'getLegendImageFromWms-183' into latlon-versions

Conflicts:
	plugin/geomajas-layer-wms/wms/pom.xml
	plugin/geomajas-layer-wms/wms/src/main/java/org/geomajas/layer/wms/WmsLayer.java