Update README.md
Resolves "Cannot access protected property JMenuSite::$_items" for Joomla 2.5
Basic manifest changes for Joomla 2.5
API changes for Joomla 2.5
Updates module short description
Resolves Missing argument 1/2 for JMenuSite::getItems(). Thanks Don Gilbert! (https://github.com/dongilbert)
Changes depth to list type parameter
Adds option to always display sub-menu items or only when parent is active
Adds target window support
Merge develop