Make all hostnames of the form [host]:port to support IPv6 addresses better
Make all hostnames of the form [host]:port to support IPv6 addresses better

linkedin/Burrow,evertrue/Burrow,ContentSquare/Burrow,saleswise/Burrow,wikimedia/operations-debs-burrow,wikimedia/operations-debs-burrow,WanliTian/Burrow,spredfast/Burrow,ehorne/Burrow