Resync with recent spec file changes in Fedora by Ville Skyttä:
BuildRequire ant instead of -trax (non-EL).
Depend on headless JRE where available.
Fix build (#1048867) and depend on headless JRE on EL7

Mass rebuild 2013-12-27

Rebuilt for https://fedoraproject.org/wiki/Fedora_19_Mass_Rebuild

Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild

Tweak java-devel build dep for buildability without Java 1.6.
Fix build classpath with recent TestNG.

Apply upstream Saxon >= 9.3 patch (#716177).

Rebuilt for https://fedoraproject.org/wiki/Fedora_15_Mass_Rebuild

Put Xalan instead of Saxon in build path (regression in -6).
Build with OpenJDK.

Address more comments/TODO's from #655601:
Patch test suite generation to use Xalan.
Include license texts in jing-javadoc.
Make datatype-sample buildable out of the box, drop prebuilt jar.

Simplify doc installation (#655601).

First Fedora build, combining my earlier separate jing and trang packages.