moved printing properties to resources folder
moved proxy community properties to resources folder
moved arcsde extension properties to resources folder
moved h2 extension properties to resources folder
moved wps-web extension properties to resources folder
Merge branch 'master' of github.com:geoserver/geoserver
support for opaque WMS layers
Support publishing an app-schema layer in the webapp, no more buggy behaviour.
[GEOS-5942] GetFeatureInfo with GML3 output will fail on raster layers
Added importer community module.

The importer modules were previously exclusively part of the OpenGeo Suite.
updating module names to include Importer prefix
updating sources to include copyright headers
Removing dependency on restlet json, using net.sf.json instead
removing hard dependencies on libs inheireted on geoserver main
removing preview link to geoexplorer
Added geopackage community module
CSW Improvements: GEOS-5930 , GEOS-5937, GEOS-5934, tutorial prefixed name in mapping
GEOS-5921 Disabling anonymous authentication for the GUI results in an HTTP redirect loop
Make layer group panels reusable, make the store new page reusable in other context, made the stores model reusable as well
Streamline EO layer group UI, make it more flexible and easier to use