further sanitizing rpmbuild environment
 - also only display menu when relevant
seed with upstream version 0.5.2
[0.5.2] attempt to rebuild on Fedora
[0.5.4] rebuild on Fedora 15
rebuild on CentOS 5.8
logging enhancements for rpmbuild
 - also add back some old xzarball code
ignore rpmbuild logs
Merge with upstream and rebuild on Fedora.
 - Workaround rpath build errors.
Merge with upstream and rebuild on Fedora.
 - Workaround rpath build errors.