Providers API
fixes for providers
Proper C++ singletons
call CFRelease on localeRef not locale
Merge pull request #42 from kgrigsby59/master

Fix CFRelease in MCDataFormatter
Merge pull request #43 from ocrickard/master

Added message view to ios demo
CPP->CC
consistent uniqueID for MIME parts
Merge pull request #44 from MailCore/CPP-CC

CPP->CC
use NSAutoreleasePool on Mac/iOS to implement MCAutoreleasePool
Improved comment for message part
Cleaned provider implementation
Fixed build
Fixed tests on iOS
cleanup
Implemented collection of attachments
fix typo
Merge pull request #45 from kgrigsby59/master

Fix typo
added shouldShowPart to remove unwanted attachments from renderer
Merge pull request #46 from kgrigsby59/master

added shouldShowPart