vue.config.js: use 127.0.0.1 as api proxy address instead of localhost
vue.config.js: use 127.0.0.1 as api proxy address instead of localhost

On osx the proxy cannot be forwarded  from http://127.0.0.1:8080
to http://localhost:5000 . By changing the address to an ip address
it also matches the socket.io address below.

cgwire/kitsu,cgwire/kitsu