Fixed contact.disconnectListener, added test.
Fixed contact.disconnectListener, added test.

svn path=/trunk/libavg/; revision=6186

yyd01245/libavg,scotty007/libavg,scotty007/libavg,libavg/libavg,hoodie/libavg,libavg/libavg,th3infinity/libavg,scotty007/libavg,libavg/libavg,hoodie/libavg,hoodie/libavg,th3infinity/libavg,libavg/libavg,yyd01245/libavg,th3infinity/libavg,yyd01245/libavg,hoodie/libavg,scotty007/libavg,yyd01245/libavg,th3infinity/libavg