Solution: use msleep (SETTLE_TIME) everywhere when waiting for the
connections/sockets to be settled instead of a variety of patterns
and functions to make tests more coherent.

Solution: memset temporary buffer before use to reduce Valgrind noise

Solution: update to 2016

Solution: Convert to spaces and remove trailing whitespace in these files.

I traced memory leaks found using AddressSanitizer down to these.

Of course people still "can" distributed the sources under the
LGPLv3. However we provide COPYING.LESSER with additional grants.

Solution: specify these grants in the header of each source file.

Solution: update for 2015

Fixes #1320

Also moved the fd field from message content to message itself