Allow XML tests not to specify a precision model, defaulting to floating
Allow XML tests not to specify a precision model, defaulting to floating

This allows running some JTS tests w/out touching them

git-svn-id: 6c2b1bd10c324c49ea9d9e6e31006a80e70507cb@3443 5242fede-7e19-0410-aef8-94bd7d2200fb

vmx/geos,vmx/geos,vmx/geos,vmx/geos,vmx/geos,vmx/geos