fix debhelper scripts and revert other changes to -5

debian/postinst

@@ -6,7 +6,8 @@ then
 fi
 
 if [ -x "/etc/init.d/ps-watcher" ]; then
-	if [ "$startup" = "1" ] && [ -f $CONFIG ]; then
+	update-rc.d ps-watcher defaults 40 >/dev/null
+	if [ "$startup" = "1" ] && [ -f "/etc/default/pswatcher" ]; then
         	if [ -x "`which invoke-rc.d 2>/dev/null`" ]; then
                 	invoke-rc.d ps-watcher start || exit $?
         	else
@@ -14,5 +15,3 @@ if [ -x "/etc/init.d/ps-watcher" ]; then
         	fi
 	fi
 fi
-
-#DEBHELPER#