GEOS-6086 remove WfsDispatcher from describelayer

and all other places in the code base
(cherry picked from commit 248259585f5fb8de5efe5d751da4908186d52c6d)
Merge pull request #360 from ischneider/GEOS-6086-2.3.x

GEOS-6086 remove WfsDispatcher from describelayer
[GEOS-6122] WFS GeoJSON output format strips z from 3d data
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
Make sure the test works even with odd chars in the build path (a @ in this case)
[GEOS-6074] Build failure in wms GetMapKvpRequestReaderTest in path with spaces
GEOS-6258 - Not considering http error codes < 400 as an error.

Patch provided by Rob Marianski.
make application context for test framework more consistent with runtime

backport of #441.