Upgrading GWC dependency
GEOS-6530: implemented PagedUnique WPS process
Merge pull request #664 from mbarto/24x_geos6530

GEOS-6530: implemented PagedUnique WPS process
[GEOS-6519] WPS not enabling in workspace
Merge branch '2.4.x' of github.com:geoserver/geoserver into 2.4.x
REST Config check params before clearing dataStoreCache.