Broken terminal output with API and Gateway on ipv6

[lidel]

Setting API and Gateway to listen on /ip6/ multiaddr..

   "Addresses": {                                                                                                                                                                                                                                
     "Swarm": [                                                                                                                                                                                                                                  
       "/ip4/0.0.0.0/tcp/4002",                                                                                                                                                                                                                  
       "/ip4/127.0.0.1/tcp/4003/ws"                                                                                                                                                                                                              
     ],                                                                                                                                                                                                                                          
     "API": "/ip6/::1/tcp/5002",                                                                                                                                                                                                                 
     "Gateway": "/ip6/::1/tcp/9090"                                                                                                                                                                                                              
   }, 

works 👍

..but the terminal output is broken:

$ jsipfs daemon                                                                                                                                                                                                                           
[...]
API listening on /ip4//tcp/
Gateway (read only) listening on /ip4//tcp/
Web UI available at http://::1:5002/webui
Daemon is ready

Expected output:

API listening on /ip6/::1/tcp/5002
Gateway (read only) listening on /ip6/::1/tcp/9090
Web UI available at http://[::1]:5002/webui

ps. some quick notes from brief eyeballing:

• apiMultiaddr is set here but does not seem to be used for anything
• uri-to-multiaddr should be a good replacement for uriToMultiaddr in src/http/index.js
• it may be worth thinking if we want to fix it now, or after hapi situation is resolved (needs to be upgraded or migrated away to something else)

[alanshaw]

Probably worth waiting for #1844 to be merged first, but this seems like a simple fix - @lidel would you be willing to submit a PR?