stage1/init/units: keep journald running while apps are shutting down
stage1/init/units: keep journald running while apps are shutting down

This prevents a race when apps are writing to their stdout/err (and
output is being sent to stage1's journal) while shutting down. If
journald terminates before the apps finish shutting down, their output
will be lost.

Signed-off-by: Fabio Kung <a5fcd572428ff6f4b84a691712d150785bd20793@gmail.com>

lucasallan/rkt,ybubnov/rkt,kinvolk/rkt,rkt/rkt,Shashwatsh/rkt,lucasallan/rkt,lucasallan/rkt,Shashwatsh/rkt,coreos/rkt,kinvolk/rkt,coreos/rkt,lucasallan/rkt,kinvolk/rkt,rkt/rkt,ybubnov/rkt,joshix/rkt,rkt/rkt,joshix/rkt,coreos/rkt,rkt/rkt,alban/rkt,joshix/rkt,ybubnov/rkt,alban/rkt,Shashwatsh/rkt,joshix/rkt,alban/rkt,kinvolk/rkt