[ Bastian Blank ] * Bump shared library revision to 6. * Add small AVL tree implementation.
[ Martin Michlmayr ] * Remove (incomplete) BAST and LAST support. * Drop Riscstation since it's no longer supported in 2.6 kernels. * Rename arm/riscpc to arm/rpc for consistency.
[ Colin Watson ] * Fix Hurd detection at build time.
[ Joey Hess ] * Move more resolver debug logging into ENABLE_EXTENSIVE_DEBUG ifdefs.