+ - Sort readdir() output in conf.pl (#1755886).
+ - Made the webmail_top hook work again for plugins that want to change
+ the URI of the "right" frame; plugins have to change the value of the
+ global variable $right_frame_url
+ - No longer store all message composition sessions in the PHP session,
+ since it was not made use of and in rare cases, made sessions too big
+ - Composition restoration functionality now correctly restores attachments
+ - Added smtp_auth hook