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
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
GEOS-5967: Provide default mapping instead of empty mapping in CSW
allow scripts to return a map/dictionary
refreshed contributor agreement from open plans

Signed-off-by: Jody Garnett <jody.garnett@gmail.com>
fix release guide warnings

Signed-off-by: Jody Garnett <jody.garnett@gmail.com>
fix broken references in security programming instructions

Signed-off-by: Jody Garnett <jody.garnett@gmail.com>
- Further clarifications for idExpression in app-schema.
Update app-schema-online-test guide for 3D Oracle tests with the SC4OUser parameter.