tag 5.2.3
xz 5.0.8
xz 5.0.7 (trimmed)
remove cvs2svn:cvs-rev property
Move xz vendor branch
xz 5.0.4 (trimmed)
xz 5.0.3 (trimmed)
Vendor import of xz 5.0.1 (trimmed)
Vendor import of xz utils and lzma library.