* FLIM-ELS (flim-modules): Fix `mel-dl' duplication.

* FLIM-ELS (flim-modules): Fix `mel-dl' duplication.

* mel-b.el: Sync up from 1.7 to 1.17.
(base64-int-ext-encode-region): Moved from mel.el and renamed
from `base64-internal-external-encode-region'.
(base64-int-ext-decode-region): Likewise.
(base64-int-ext-decode-string): Likewise.
(base64-int-ext-insert-encoded-file): Likewise.
(base64-int-ext-write-decoded-region): Likewise.

* mel-ccl.el: Add copyright notice.

* mel-q.el (quoted-printable-internal-encoding-limit): Moved
from mel.el.
quoted-printable-internal-decoding-limit): Ditto.
(quoted-printable-int-ext-encode-region): Moved from mel.el and
renamed from `quoted-printable-internal-external-encode-region'.
(quoted-printable-int-ext-decode-region): Likewise.

* mel.el:
  - Move `base64-internal-encoding-limit',
  `base64-internal-decoding-limit',
  `quoted-printable-internal-encoding-limit',
  `quoted-printable-internal-decoding-limit',
  `base64-internal-external-decode-string',
  `base64-internal-external-encode-region',
  `base64-internal-external-decode-region',
  `base64-internal-external-insert-encoded-file',
  `base64-internal-external-write-decoded-region',
  `quoted-printable-encode-region' and
  `quoted-printable-decode-region' away.
  - autoloading restructured.
(mel-call-next): New function.
(mel-defgeneric): New function.
(mel-defmodule): New function.
(mel-defmethod): New function.
(mime-decoding-method-alist): Add implementation specific
methods.
(mime-file-decoding-method-alist): Ditto.