butch download template: pass --no-check-certificate if gnu wget

addresses one of the issues raised in #252.
gnu wget will fail if an unknown cert is used, and we don't want that-
security-wise we already check the sha512 hash so there's nothing apart from
logging activity a potential adversary could do anyway.
provide a non-ftp non-https url for util-linux
Merge pull request #253 from soul9/patch-1

provide a non-ftp non-https url for util-linux-tarball
procps: fix for x-compile
aircrack-ng: fix for x-compile
dsniff: fix man-dir (closes #254)
pkg/mtools: remove iconv patch
Merge pull request #255 from soul9/cp850-test

pkg/mtools: remove iconv patch
update btrfs-tools
pkg/lxc: update and add pkg/seccomp dep
pkg/debootstrap: update
pkg/dpkg: update
pkg/partx: add package
Merge pull request #257 from soul9/pkgupdates

update a few packages + partx
pkg/mysql: version bump and hackset update
pkg/automake: remove tests hack, no tests are run
pkg/git: does not install perl to incorrect path
pkg/gtk+2: fix bashism
pkg/stunnel: version bump
pkg/tomoyo: fix quoting in url