fgfs.js: simpler implementation of property-set

Thanks to Laurent for the patch

Phi/lib/fgfs.js

@@ -18,26 +18,7 @@ FGFS.Property.prototype.getPath = function() {
 FGFS.Property.prototype.setValue = function(value) {
   if( value == null )
     return;
-  //this.value = val; value should be updated via PropertyListener
+  this.listener.setProperty(this.path, value);
-  var url = "/json/" + this.path;
-  switch( typeof(value) ) {
-    case 'number':
-    case 'string':
-    case 'boolean':
-      $.post(url, JSON.stringify({'value' : value}))
-        .fail(function(err){
-          console.log("Error while setting property value: " + err);
-      });
-      return;
-    case 'object':
-      $.post(url, JSON.stringify(value))
-        .fail(function(err){
-          console.log("Error while setting property value: " + err);
-      });
-      return;
-    default:
-      return;
-  }
 }
 
 FGFS.Property.prototype.hasValue = function() {
@@ -125,6 +106,7 @@ FGFS.PropertyListener = function(arg) {
         command : 'get',
         node : path
       }));
+      prop.listener = this;
     }
     return this._nextId;
   };