fixed exception with generic Geometry type in WMS GetLegendGraphic
improved custom dimensions management
Merge pull request #108 from dromagnoli/wms_dims

improved custom dimensions management
Merge pull request #107 from mbarto/getlegendgraphic_genericgeometry

Fixed exception with generic Geometry type in WMS GetLegendGraphic
GEOS-5548 - reverted change to SystemTestData.tearDown()
Merge pull request #109 from svzdvd/GEOS-5548-nested-groups-4

GEOS-5548 - reverted change to SystemTestData.tearDown()