Distributed communication layer.

Kestrel f1eb7e4ba6 Tests fixup. %!s(int64=2) %!d(string=hai) anos
fleck f1eb7e4ba6 Tests fixup. %!s(int64=2) %!d(string=hai) anos
metashell 1c3b99d1b0 Initial work with basic epoll/multicast discovery. %!s(int64=2) %!d(string=hai) anos
.gitignore 1c3b99d1b0 Initial work with basic epoll/multicast discovery. %!s(int64=2) %!d(string=hai) anos
Cargo.lock 483b8fd3b9 Add support for communicating across UNIX stream sockets. %!s(int64=2) %!d(string=hai) anos
Cargo.toml 1c3b99d1b0 Initial work with basic epoll/multicast discovery. %!s(int64=2) %!d(string=hai) anos