replaced hardcoded geoserver version number.
wfs capability extension point

Added an extension point for adding wfs capability extension elements
Added wfs inspire extension which demonstrates the use of said extension point.
Work is financed by IGN
Fixed version number reference to follow the project convention.
GEOS5547 - GSIP84 - LayerGroup: added Mode, RootLayer and RootLayerStyle. Updated WMS GetCapabilities and GetMap
GEOS5547 - fixed backward compatibility for serialized layer groups
GEOS5547 - fixed PreviewLayerProvider
i18n for ReporojectPage 'show transformation details' link
ensure ServiceInfo.geoServer member initialized when loading
Merge pull request #103 from fgdrf/webdemo-i18n

Fix for minor localization issue in web-demo ReprojectPage
fix for GEOS-5563 (mixed order of X and Y Transformation parameters
GEOS5547 - fixed LayerGroup Container exception in GetMapKvpRequestReader
GEOS5547 - UI: improved LayerGroup Root Layer style selection
GEOS-5557 Enhance API for GeoserverUserGroupService
GEOS5547 - added test to CatalogBuilderTest
GEOS5547 - wms: removed TODO comment
GEOS-5558 Integrating the AuthKey module into the new security architecture
GEOS5547 - UI: hidden Root Layer form when LayerGroup is not in EO mode
GEOS-5565, using workspace admin authorizier on sql view pages
using initdb rather than import to determine if init scripts should be copied over
GEOS-5565, using workspace admin authorizer for create new feature type pages