[GEOS-5371] Reloading config break status config page
[GEOS-5159] changes from GEOS-4100 breaks LegendDecoration with custom DPI
[GEOS-5197] Use the layer abstract as the GeoRSS channel description
Adding examples for WFS 2.0 operations
Merge branch '2.2.x' of https://github.com/geoserver/geoserver into 2.2.x