execute more code for fai-diskimage and dirinstall

what about softupdate?

lib/subroutines

@@ -544,18 +544,15 @@ task_savelog() {
 task_faiend() {
 
     local dir cdromdevice
-    [ $do_init_tasks -eq 0 ] && return 0
     wait_for_jobs
     : ${flag_reboot:=0}
     : ${flag_halt:=0}
 
     # reboot/halt without prompting if FAI_FLAG reboot or halt is set
     # wait for keypress if neither flag reboot nor halt is set
-    if [ "$flag_reboot" -eq 0 -a "$flag_halt" -eq 0 ]; then
+    if [ $do_init_tasks -eq 1 -a "$flag_reboot" -eq 0 -a "$flag_halt" -eq 0 ]; then
         echo "Press <RETURN> to reboot (do not remove your removable medium yet)."
         read
-    else
-        sleep 10
     fi
 
     sendmon "TASKEND faiend 0"
@@ -576,6 +573,7 @@ task_faiend() {
 	done
     fi
 
+    [ $do_init_tasks -eq 0 ] && return 0
     killall -q sshd udevd rsyslogd
     umount $FAI_ROOT/proc $FAI_ROOT/sys $FAI_ROOT/dev/pts 2>/dev/null
     umount -arf 2>/dev/null