chore: fix Travis build

Specify hostname/port for connect server to avoid
joyent/libuv#826

Conflicts:
	Gruntfile.js

Author: vojtajina

Gruntfile.js

@@ -59,6 +59,11 @@ module.exports = function(grunt) {
       },
       testserver: {
         options: {
+          // We use end2end task (which does not start the webserver)
+          // and start the webserver as a separate process (in travis_build.sh)
+          // to avoid https://github.com/joyent/libuv/issues/826
+          port: 8000,
+          hostname: '0.0.0.0',
           middleware: function(connect, options){
             return [
               function(req, resp, next) {