[OR-904] - Support starting on IPv6 sockets
Merge pull request #635 in OR/rse from ~PKEWISCH/rse:ipv6 to master

* commit 'f10ed4fabb47acbeefef0769b272bd744b2526b6':
  [OR-904] - Support starting on IPv6 sockets
[OR-904] - Support starting on IPv6 sockets - fix tests
Merge pull request #642 in OR/rse from ~PKEWISCH/rse:ipv6 to master

* commit '218c40890c8fcb728548d2a2ff92a53918d7371b':
  [OR-904] - Support starting on IPv6 sockets - fix tests
[OR-904] - Support starting on IPv6 sockets - fix tests