Merge pull request #345 from brandl-muc/RemoveCopyDirectoryFromReference

Remove remnants of copy_directory() from reference.html

Author: Lastique

doc/reference.html

@@ -119,7 +119,6 @@ <h2><a name="TOC">Table of Contents</a></h2>
     <code>&nbsp;&nbsp;&nbsp;&nbsp; <a href="#absolute">absolute</a><br/>
 &nbsp;&nbsp;&nbsp;&nbsp; <a href="#canonical">canonical</a><br/>
 &nbsp;&nbsp;&nbsp;&nbsp; <a href="#copy">copy</a><br/>
-&nbsp;&nbsp;&nbsp;&nbsp; <a href="#copy_directory">copy_directory</a><br/>
 &nbsp;&nbsp;&nbsp;&nbsp; <a href="#copy_file">copy_file</a><br/>
 &nbsp;&nbsp;&nbsp;&nbsp; <a href="#copy_symlink">copy_symlink</a><br/>
 &nbsp;&nbsp;&nbsp;&nbsp; <a href="#create_directories">create_directories</a><br/>