-removed unused dispatchEarlyReliable and renamed dispatchFirstEarlyReliable to dispatchNoAnswerReliable
-fixed a missing mDum.destroy
-added some TODO comments


git-svn-id: https://svn.resiprocate.org/rep/resiprocate/branches/b-uasprack-20130904@10533 ddefafc4-47db-0310-ae44-fa13212b10f2