Merge from beta branch.

Merge from beta branch.

* tm-wl.el, wl-address.el, wl-demo.el, wl-dnd.el, wl-draft.el,
wl-expire.el, wl-fldmgr.el, wl-folder.el, wl-highlight.el,
wl-message.el, wl-mime.el, wl-mule.el, wl-nemacs.el, wl-refile.el,
wl-score.el, wl-summary.el, wl-template.el, wl-thread.el, wl-util.el,
wl-vars.el, wl-xmas.el, wl.el (toplevel): Deleted time-stamp line.