Issue #1351678 by caktux, oriol_e9g, webflo: Follow menu_link_get_preferred() active trail handling for custom menus.

Issue #1387012 by Jose Reyero: API function to get path translations, repurpose hook_i18n_translate_path().

Issue #1370076 by Dave Reid: Fixed getInfo() test functions need to be declared as public static functions.

Issue #1297482 by benys | x1fa47: Fixed Menu translation does not work if you point to an external link.

Issue #881322 by Berdir: Fixed Multilevel menu fails to create active menu trail with same link_path() in different languages.

Issue #1225124: Fixed Unable to save menu item translation and other issues with the menu translation form.

Issue #1212200 by jox: Fixed Language in menu_links() does not get updated properly for language neutral nodes.

Issue #1185644: API improvements. Added hook_i18n_string_objects() for a module to return translatable objects, replacing string_list(). Added 'list callback' for i18n object metadata.

Issue #1185644: API improvements. Improved format access checking. Renamed i18n_string_object to i18n_string_object_wrapper

Issue #1185644: API improvements. Simplified path handling for string translation. Not needed anymore i18n_taxonomy_vocabulary class.

Issue #1175204 by webflo | Jerome F: Fixed Wrong URL in admin/structure/menu/manage/%menu/translate.