Discard message when a member leaves the view
Reduce log verbosity when AnycastAddress has one member
Merge pull request #74 from pruivo/t_toa_discard_leavers

TOA: discard leavers' messages
bugfix introduced by JGRP-1597
added local node address to total order delivered thread (TOA)
an empty AnycastAddress means envolves all the members
Merge pull request #75 from pruivo/t_toa_fix

TOA: bugfix in the previous pull request
JGRP-1491: When creating a view, the creator should be our own address