Add dependency info to the plymouth modules and the nfsroot module.

No point in making it easy for them to fail.

modules.d/40nfsroot/check

@@ -1,3 +1,5 @@
 #!/bin/sh
+[ "$1" = "-d" ] && echo network
 which rpcbind rpc.statd mount.nfs mount.nfs4 >/dev/null 2>&1 || exit 1
+
 exit 0

modules.d/50plymouth-pre0.7/check

@@ -1,2 +1,3 @@
 #!/bin/bash
+[[ $1 = -d ]] && echo crypt
 [[ -x /sbin/plymouthd && -x /bin/plymouth && ! /usr/sbin/plymouth-set-default-theme ]]

modules.d/50plymouth/check

@@ -1,2 +1,3 @@
 #!/bin/bash
+[[ $1 = -d ]] && echo crypt
 [[ -x /sbin/plymouthd && -x /bin/plymouth && -x /usr/sbin/plymouth-set-default-theme ]]

modules.d/95udev-rules.ub810/check

@@ -1,4 +1,4 @@
 #!/bin/sh
 
 [ -f /etc/lsb-release ] && \ 
-grep -q 'DISTRIB_DESCRIPTION="Ubuntu 8.10"' /etc/lsb-release 2>/dev/null 
+grep -q "Ubuntu 8.10" /etc/lsb-release 2>/dev/null