Add AUTOMAKE_OPTIONS = subdir-objects, to please automake 1.14.1

git-svn-id: http://svn.osgeo.org/geos/trunk@4012 5242fede-7e19-0410-aef8-94bd7d2200fb
Normalize voronoi diagram results for comparing to expected output

git-svn-id: http://svn.osgeo.org/geos/trunk@4013 5242fede-7e19-0410-aef8-94bd7d2200fb
Merge branch 'svn-trunk' into svn-trunk-fast-rect-intersection