Made get-info save if yt video is age-restricted and made playlist refuse to add age-restricted videos

src/channel/playlist.js

@@ -973,6 +973,10 @@ PlaylistModule.prototype._addItem = function (media, data, user, cb) {
         }
     }
 
+    if (media.meta.rating) {
+        return qfail("Cannot add age restricted videos because google sucks");
+    }
+
     /* Warn about blocked countries */
     if (media.meta.restricted) {
         user.socket.emit("queueWarn", {

src/get-info.js

@@ -71,6 +71,9 @@ var Getters = {
             if (video.meta.blocked) {
                 meta.restricted = video.meta.blocked;
             }
+            if (video.meta.ytRating) {
+                meta.rating = video.meta.ytRating;
+            }
 
             var media = new Media(video.id, video.title, video.duration, "yt", meta);
             callback(false, media);