changed: DirContainer - uses std::list instead of std::vector as the main container

we do not have to rebuild indexes after deleting some items
added:   DirContainer::DelById(long id)
changed: Dirs::CheckRootDir() addes the root dir if there is no one
added:   Dirs::DeleteDir(long id) - deletes specified directory (and its contents)
         (from the cache and the database)
added:   Db::DelDirById(long id) - deletes a dir from the database 
         and its first children
added:   standard function rm can delete directories


git-svn-id: svn://ttmath.org/publicrep/cmslu/trunk@487 e52654a7-88a9-db11-a3e9-0013d4bc506e

templates/templates.h

@@ -114,6 +114,9 @@ namespace TemplatesFunctions
 	void dir_last_default_item_dir(Info &);
 	void dir_last_default_item_url(Info & i);
 
+	void dir_old(Info & i);
+
+
 	/*
 		user
 	*/
@@ -149,6 +152,7 @@ namespace TemplatesFunctions
 	void done_privileged_item(Info & i);
 
 	void done_added_dir(Info & i);
+	void done_deleted_dir(Info & i);
 	void done_defaulted_dir(Info & i);
 
 	void done_loggedout(Info & i);