messaging 6.x-1.1

Some new features, new module and lots of bug fixes and performance improvements.
New modules: messaging_notify and twitter plug-in
- Fixed: Update SMS sending method for new SMS Framework, by diggersf, #337518
- Fixed: PHPmailer, Handle rfc2822 formatted "From:" field, by rcourtna, #349224
- Fixed: PHP notices, by sun, #366391
- Fixed: Messaging_notify not adding uid to notifications event, by Scott Reynolds, #364466
- Performance: added indexes to messaging_store table, by Scott Reynolds, #364590
- Fixed: messaging_update_replace not finding the right replacement method
- Fixed: wrong module description for messaging_phpmailer, #340685
- Fixed: messaging_notify - wrong notification type and missing perm(), by Scott Reynolds, #361758
- Fixed: No messages in watchdog with debug send method, #358667
- Fixed: messaging_phpmailer does not use passed headers (fails with mail2web module), by jmcclelland, #363001
- Fixed: error when params are unpacked for stored messages, by mcdruid, #364334
- Fixed: Incomplete uninstall, by jaydub, #295444
- Fixed: Number of messages sent' value is ignored, #339422
- Added twitter plug-in by Will White
- Added messaging_text_replace() for tokens and token_support
- Fixed issues with cron processing and queue storage, added tests
- Added query builder helper for messaging and notifications
- Improved messaging store, multiple destinations are now serialized and message stored only once
- Implemented callbacks chain for message processing, callbacks defined on sending method.
- Reworked message processing, using objects now instead of array