Add olm-message-reply-all

* C-c C-r in olm-message-mode has been bound to it.
olm.rb: remove the move method
Alter the interface of olm-buf-entry-ids

* It takes an optional parameter that toggles erase-buffer.
Revert "Alter the interface of olm-buf-entry-ids"

This reverts commit 3103216c9862a874f0ba11303827cd640efcf71a.
Alter the interface of olm-buf-entry-ids [2]

* It takes an optional parameter that toggles erase-buffer.
Rename olm-draft-do-command with olm-do-command-buf
Add olm-summary-exec
olm.rb: add Olm.execute_refile