Log received hterm preferences in console

.gotty

@@ -46,7 +46,7 @@
 // reconnec_ttime = false
 
 // [bool] Accept only one client and exit gotty once the client exits
-// Once = false
+// once = false
 
 // [object] Client terminal (hterm) preferences
 //          Examples below are some of commonly used options.

resources/gotty.js

@@ -55,6 +55,7 @@
             case '2':
                 preferences = JSON.parse(data);
                 Object.keys(preferences).forEach(function(key) {
+                    console.log("Setting " + key + ": " +  preferences[key]);
                     term.getPrefs().set(key, preferences[key]);
                 });
                 break;