Temporary fix for GEOS-5353

Intermittent build failure in ServiceAccessRulePageTest
plug in the url manglers with gwc's hook

GWC now has a hook for altering the urls that it generates. This plugs
into that hook, and delegates to the geoserver response utils chain,
which calls all the geoserver pluggable extensions.
added WMS and WMTS support for URL mangling
Fix for URL mangling base paths, and adding WMS and WMTS mangling
Add GeoScript to the Groovy Script module
Merge branch 'master' of git://github.com/geoserver/geoserver into script_groovy
Add license headers
Fix failing test
Adding GeoSolutions as provider for raster data
Merge branch 'master' of git://github.com/geoserver/geoserver
Resolving Windows service param conflict (so MaxPermSize can be changed)
Merge branch 'master' of git://github.com/geoserver/geoserver
Updates to scripting extension install docs
Merge branch 'master' of git://github.com/geoserver/geoserver
Adding 2.0.1 as a possible version... static init of versions, ugh, yet making a dynamic lookup seems sort of impossible in the service loader
Some amendments to make wcs 2.0 cite tests work against a 2.0.1 version
Merge branch 'master' into gwc-url-mangling-master
Use canonical schema locations for the moment, add the xml profile
Merge branch 'master' of git://github.com/geoserver/geoserver
Clarifications to User Guide Labelling section