back: clear controller before Activity.back to avoid recursion

plugin.js

@@ -222,6 +222,10 @@
                         Lampa.Controller.collectionSet($('.mymovies-detail .detail-actions'));
                         Lampa.Controller.collectionFocus(btns[0], $('.mymovies-detail .detail-actions'));
                     },
+                    back: function () {
+                        Lampa.Controller.clear('mymovies_detail');
+                        Lampa.Activity.back();
+                    },
                     right: function () { Navigator.move('right'); },
                     left: function () { Navigator.move('left'); },
                     enter: function () {