xmonad.hs: use raw alsamixer

As I have HDMI and headpones outputs at the same time
I'd like to tune both at the same time.

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
bin/bump_hp: it lives in ::gentoo-haskell now

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
.bash/rc: move to bash_completion-2

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>