- FC and FlowControl (UFC/MFC) don't need to handle a CONFIG(frag_size) from below, as it only makes sense (at least currently) to have FRAG2 sit above a flow control protocol

- FRAG/FRAG2 don't need to handle their own CONFIG event
JIRA: https://issues.jboss.org/browse/JGRP-1712
- Moved view in MERGE3.MergeHeader.VIEW_RSP from header to message payload (https://issues.jboss.org/browse/JGRP-1713)