Merge pull request #140 from whiteout-io/dev/wo-594

[WO-594] Return own hostname for 'hostname' call from socket.io

server.js

@@ -5,6 +5,7 @@ process.chdir(__dirname);
 var cluster = require('cluster');
 var config = require('config');
 var log = require('npmlog');
+var os = require('os');
 
 log.level = config.log.level;
 
@@ -176,6 +177,10 @@ io.on('connection', function(socket) {
         log.info('io', 'Closed connection [%s]', socket.conn.id);
         socket.removeAllListeners();
     });
+
+    socket.on('hostname', function(fn) {
+        fn(os.hostname());
+    });
 });
 
 //