Changed WfsXlinkStrategy to export *any* reference that does not start with # (local) unaltered
Fixed handling of unresolvable hrefs in additional objects section
Merge pull request #176 from occamlabs/3.3-fix-wfs-export-remote-hrefs

Fix for #598: Some remote href mappings are resolved immediately
[maven-release-plugin] prepare release deegree-3.3.7
[maven-release-plugin] prepare for next development iteration