* lisp/gnus.el (gnus-revision-number): Increment to 01.

* lisp/gnus.el (gnus-revision-number): Increment to 01.
* lisp/gnus-ofsetup.el (gnus-ofsetup-prepare-for-miee,
gnus-ofsetup-write-setting-file): New functions.
(gnus-setup-for-offline): Use them.
(gnus-ofsetup-parameters, gnus-ofsetup-customize,
gnus-ofsetup-customize-done): New functions for customization support.
* lisp/gnus-offline.el (gnus-offline-version-number): Update to 2.20.
(gnus-offline-define-menu-on-miee,
gnus-offline-define-menu-on-agent): Add a menu item which calls
`gnus-ofsetup-customize'.