* gnus-vers.el (gnus-revision-number): Increment to 04.

* gnus-vers.el (gnus-revision-number): Increment to 04.
* gnus-group.el (gnus-group-make-shimbun-group): Simplified.
* dgnushack.el: Load cl-macs to ensure that the macro `dolist' is defined
 properly.
* nnwfm.el: Require `gnus-clfns' when compiling.
* nnshimbun.el: Ditto.
* mm-util.el: Ditto.
* gnus-vers.el: Ditto.
* gnus-score.el: Ditto.
* gnus-nocem.el: Ditto.
* gnus-ofsetup.el: Don't require `gnus-clfns'.
(gnus-ofsetup-customize-done): Use `dolist' instead of `mapc'.
(gnus-setup-for-offline): Ditto.
* gnus-offline.el: Don't use `mapc' for binding some vars;
 don't require `gnus-clfns'.
(gnus-offline-get-menu-items): Rewrite using `dolist'.
* gnus-clfns.el (butlast): New compiler macro.
(mapc): Remove.
* gnus-art.el: Use `dolist' instead of `mapcar' for defining
`gnus-article-read-summary-keys'.