taxonomy_menu 6.x-2.4-rc2

#666812: Call to undefined function _taxonomy_menu_delete_all() and #656210: enabeling menu breadcrumb module gets me Fatal error: Call to undefined function _taxonomy_menu_get_item() : Moved the include code out of hook_init() because it was not being called during some calls to menu_link_alter or hook_taxonomy for some users.
#316632: Integrate with I18n (I) - "Localize terms": Changed translation warning to watchdog rather them message.