Adds a button to the top menu which opens a menu containing the user's shortcuts.
To configure this module, you need to:
Go to any view;
click on the star icon besides the title to add / remove a shortcut.
To use this module, you need to:
Click on the star icon in the right corner of the top menu;
click the shortcut you want.
Clicking shortcut menu item sometimes doesn't trigger the left side submenu widget
updating except reloading the whole page.
Client side may raise TypeError exception randomly: this.active_view is null.
Bugs are tracked on GitHub Issues. In case of trouble, please
check there if your issue has already been reported. If you spotted it first,
help us smashing it by providing a detailed and welcomed feedback.