* Merge from debian unstable, remaining changes: - Build with -fno-stack-protector. - Change silo.postinst to automatically update the boot block without invoking siloconfig and keep asking questions on upgrades. - Convert silo.conf to use /dev/disk/by-uuid. - Ubuntu maintainer foobar. - Fix debian/rules call to dh_installdocs. - Drop the requirement of gcc-4.1 and start using default gcc.