Remove --oknodo swtich from start-stop-daemon in daemon-util

It is deprecated.
Change --startas to --exec of start-stop-daemon in daemon-util

--startas is deprecated.
Change --chuid to --user of start-stop-daemon in daemon-util

--chuid is deprecated.
Merge branch 'myenv-patch' of github.com:kawamuray/ganeti into topic-improve-lxc-support