Merge gentoo/80-install-modules into common/80-install-modules-rpm

hooks/common/80-install-modules-rpm

@@ -1,6 +1,11 @@
 #!/bin/sh
 #
-#  Install modules from the host system into the new image.
+#  Install modules from the host system into the new image, and
+# ensure that 'module-init-tools' is setup.
+#
+#  This is most likely required if you're using a custom kernel
+# for your Xen system.  But even if it isn't required it can't
+# really do anything bad; just waste a bit of space.
 #
 # Steve
 # --