Thanks to varmjofekoj for the patch

Signed-off-by: Rainer Gerhards <rgerhards@adiscon.com>

Well, actually this and a lot of related things. I improved the
testbench so that the new capabilities are automatically tested and
also did some general cleanup. The current multiple tcp listener
solution will probably receive some further cleanup, too, but looks
quite OK so far. I also reviewed the way tcpsrv et all work, in
preparation of using this code for imdiag. I need to document the
findings, especially as the code is rather complicated "thanks" to
the combination of plain tcp and gssapi transport modes.

... mostly removal of compile-time warnings (thanks to Michael
Biebl for suggesting to look after that)

Conflicts:
	ChangeLog
	configure.ac
	doc/manual.html

Signed-off-by: Rainer Gerhards <rgerhards@adiscon.com>

pkg-config uses uppercase for its _CFLAGS and _LIBS variable names.
So we follow suit and convert all _cflags and _libs variables to
uppercase for more consistency.

Conflicts:
	runtime/rsyslog.h

...all senders were permitted instead

The limit can now be set via $MaxMessageSize global config
directive (finally gotten rid of MAXLINE ;))