Add cut/copy/paste documentation to the manual.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@9133 a1c6a512-1295-4272-9138-f99709370657

manual/rockbox_interface/main.tex

@@ -132,8 +132,11 @@ Xing header for an MP3 file, which can fix problems such as
 fast{}-forward and rewind not working correctly on a particular MP3 file or the play time of a track being listed incorrectly. 
 \item \textbf{Playlist:} Change to the Playlist submenu (see below).
 \item \textbf{Rename:} This function lets the user modify a file name.
+\item \textbf{Cut:} Copies the name of the currently selected file or directory to the clipboard and marks it to be 'cut'.
+\item \textbf{Copy:} Copies the name of the currently selected file or directory to the clipboard and marks it to be 'copied'.
+\item \textbf{Paste:} Only visible if a file or directory name is on the clipboard. When selected it will move or copy the clipboard to the current directory. 
 \item \textbf{Delete:} Only files can be deleted, not folders. Rockbox will ask for confirmation before deleting a file. Press PLAY to confirm deletion or any other key to cancel.
-\item \textbf{Delete Directory: }Deletes the folder pointed to by the cursor and all the files and folders contained in it.  Use with caution.
+\item \textbf{Delete Directory:} Deletes the folder pointed to by the cursor and all the files and folders contained in it.  Use with caution.
 \item \textbf{Create Directory:} Makes a new folder in the current folder on
 the disk.
 \end{itemize}