Unset filter color when select a note..

js/script.js

@@ -615,6 +615,10 @@ View.prototype = {
                 var itemId = parseInt($(this).children().data('id'), 10);
                 return id == itemId;
             }});
+            var oldColorTool = $('#app-navigation .circle-toolbar.icon-checkmark');
+            $.each(oldColorTool, function(i, oct) {
+               $(oct).removeClass('icon-checkmark');
+            });
         });
 
         // Handle colors.