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

content/content.h

@@ -48,7 +48,11 @@ class Content
 	void FunLs();
 	void FunEmacs();
 	void FunPriv();
+
+	void FunRmDirRecursive();
+	void FunRmDir();
 	void FunRm();
+
 	void FunNode();
 	void FunMkdir();
 	void FunDefault();