Migrate to geoserver 2.5.1
Add gs- prefix to all geoserver maven profile artifactId
update gs profiles and dependencies
Merge branch 'master' into geoserver-2.5.1
updated WPS pom for sonatype https
geoserver submodule update
Merge branch 'master' into geoserver-2.5.1
make geofence work with geoserver 2.5.1
Merge branch 'geoserver-2.5.1'