adding support for read status in MmsDeliveryInfo
adding Interface ReadReport
adding Interface ReadReportEvent
MMS read report procedures
adding MmsSendParameters
MmsManager.send procedures with MmsSendParameters
addressing ReSpec warnings
adding readReportRequested attribute in MmsMessage
adding sendReadReport in markMessageRead and markConversationRead
fix
Merge pull request #85 from efullea/readstatus

Adds support for Read Reports (#84)