Fix query to send the right parameter. Small reordering of new poll code in Post controller.

Signed-off-by: Norv <a.w.norv@gmail.com>
Calendar title was htmlspecialchar-ed twice. Remove redundant updateSettings()
(calendar .subs functions trigger update themselves)

Signed-off-by: Norv <a.w.norv@gmail.com>
id_member wasn't retrieved in selectMessages.
Fix $only_approved expression.
Fix template to display the message body.

Signed-off-by: Norv <a.w.norv@gmail.com>
Merge pull request #1 from norv/elkpr/425

Elkpr/425