[IMP] add "Send message" button in the Sent menu
[IMP] add "Send message" button in the Sent menu

[FIX] show subject in channel_sent and channel_archive

[FIX] change way for show "Send message" button

[FIX] change function from .includes() to .indexOf()

[FIX] move function toggle() from sent.js to base.js
[FIX] change summary in __openerp__.py

[FIX] move function push() from set_channel() to init() to push() is called only once

Eficent/mailbox_replica,Eficent/mailbox_replica,Eficent/mailbox_replica