Added comments to two new methods in CTCoreMessage: rfc822 and messageAsEmlx
Added comments to two new methods in CTCoreMessage: rfc822 and messageAsEmlx

MailCore/MailCore,msdgwzhy6/MailCore,MailCore/MailCore,msdgwzhy6/MailCore,Jazzo/MailCore,MailCore/MailCore,SuPair/MailCore,SuPair/MailCore,SuPair/MailCore,alloy/MailCore,tipbit/MailCore,msdgwzhy6/MailCore,proforov/MailCoreOld,proforov/MailCoreOld,Jazzo/MailCore,tipbit/MailCore,SuPair/MailCore,alloy/MailCore,alloy/MailCore,Jazzo/MailCore,Jazzo/MailCore,proforov/MailCoreOld,msdgwzhy6/MailCore,tipbit/MailCore