GEOS-6122, making json work also with full 3d srs
GEOS-6126, JP2K Extension is missing as a profile in web/app
Merge pull request #383 from geosolutions-it/2.3.x-jp2k

GEOS-6126, JP2K Extension is missing as a profile in web/app
Merge branch '2.3.x' of https://github.com/geoserver/geoserver into 2.3.x
improving build for DDS
Merge branch '2.3.x' of https://github.com/geosolutions-it/geoserver into 2.3.x