openchange: Fix submitWithFlags to submit to BCC-ed recipients also

Signed-off-by: Kamen Mazdrashki <kmazdrashki@zentyal.com>
openchange: getMessageData - replace int literals with ulRecipClass values

Signed-off-by: Kamen Mazdrashki <kmazdrashki@zentyal.com>
openchange: FillMessageHeadersFromProperties fix skipping of last value in
possible range of recepients

IMHO, this fixes a bug, that when saving a meessage, it  is saved
without BCC fields.

Signed-off-by: Kamen Mazdrashki <kmazdrashki@zentyal.com>
Merge pull request #12 from Zentyal/kamenim/zen-master-fix-bcc-in-message

Fix MailVolatileMessage code to deal with mail message headers