ALLJOYN-2340 Do not update b2bEp with memberb2bEp.

When the memberb2bEp for a MP client is obtained, dont update b2bEp variable since this isnt the b2bEp for the MP session host.
b2bEp must always contain the bus-to-bus-endpoint that connects this daemon to the session host daemon.
ALLJOYN-2393 Improve debug logging in DaemonSLAPTransport.
Updated release notes for 3.4

Change-Id: I8bd612393bfe242daadfd57ff5b3d4cec258b6ad
Updated the AllJoyn API Change documents for the 3.4 release

Change-Id: I31434a7b0be20238ea64ed6b72c108b659c45a27
ALLJOYN-2039: Do not use #if 0 to comment out a block of C code

Change-Id: Ie4bb2181141097c2990c8c8972968ea7a5c80af8