ALLJOYN-2376 bastress2 never attempts to connect to standalone daemon

bastress2.cc  will look for environment variable BUS_ADDRESS.  If it is
not defined, bastress2  will use the standard way of first attempting to
connect to a standalone daemon.

Change-Id: I61e3eca72a643bb462910ef791c338026f349273
Added release notes for 3.4.0

Change-Id: Ib4306c33d65047c11a61612297fb1df3322ab2bc
ALLJOYN-2392: Certificate expired and broke all Windows 8 builds
New certificate expires in 2033