GEOT-4386 schema resolver api changes and promotion to gt-xml
Removed xml-commons-resolver from the app-schema plugin as it is now included in the core distribution since GEOT-4386
Merge pull request #152 from bencaradocdavies/geot-4386

GEOT-4386 schema resolver api changes and promotion to gt-xml
Merge branch 'master' of git://github.com/geoserver/geoserver