Bug 1042866 — Add MCC/MNC in POST on /sms/mt/verify and use network-code for /sms/momt/verify
Test getMtSender.
@ametaireau review.
Update documentation
MNC shouldn't be mandatory.
Fix the config documentation
Merge pull request #109 from mozilla-services/choose-mtSender

Bug 1042866 — Add MCC/MNC in POST on mt/verify and use network-code for momt/verify
Refs #111 — Update some package versions.