Fix misc. debian packaging problems.

* Move the initrd script from /etc/mkinitrd/scripts to
  /usr/share/initrd-tools/scripts so that mkinitrd will not remove
  the file when it is uninstalled.  (Addresses Debian bug #204019)

* Remove unneeded files in debian directory: blkid-dev.substvars and
   e2fsprogs-bf.lintian-overrides.  (Addresses Debian bug #203914)

* Support "noopt" in DEB_BUILD_OPTIONS instead of "debug".  
   (Addresses Debian bug #203914)

3 files changed