New command `org-agenda-bulk-mark-all' bound to `*'. Other minor enhancements.
* org-agenda.el (org-agenda-mode-map): New keybinding ̀*' to
mark all entries for bulk action.
(org-agenda-menu): New menu item for marking all entries.
(org-agenda-bulk-mark-all): New function to mark all entries.
(org-agenda-bulk-mark-regexp): Minor docstring fix.
(org-agenda-bulk-unmark): With a prefix argument, unmark all.
Also send a better message.
(org-agenda-bulk-remove-all-marks): Rename to
`org-agenda-bulk-unmark-all'. Check against
`org-agenda-bulk-marked-entries' before trying to unmark
entries. Minor docstring fix.
(org-agenda-bulk-unmark-all): Renamed from
̀org-agenda-bulk-remove-all-marks'.