command/agent: Fixing compatibility with upstream Memberlist
Support binding to IPv6 address. Fixes #72
Adding dynamic ports, requires new protocol version in Memberlist
website: Update security notes to reflect latest Memberlist changes
website: update the compatibility matrix
CHANGELOG updates
command/agent: format IPv6 address nicely
command/memebers: Expose port, format IPv6 nicely
website: Document dynamic port support. Fixes #36
CHANGELOG updates