PDB-177 Replace ssl-host default with 0.0.0.0

By trying to use a hostname, the amount of issues people suffer with during
setup times related to hostname resolution is quite high. This patch
replaces the hostname with 0.0.0.0 which by default listens on all
interfaces.

Signed-off-by: Ken Barber <ken@bob.sh>
PDB-177 Remove superflous fqdn lookups

Now that the ssl-host no longer needs a hostname, we can remove this code
that looks up the fqdn.

Signed-off-by: Ken Barber <ken@bob.sh>
Merge pull request #845 from kbarber/ticket/master/PDB-177-ssl-host-meaningful-default

PDB-177 Replace ssl-host default with 0.0.0.0