Speedup for pages with many external links

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code@10147 5227b50d-9349-4574-b055-4b0a7525e11c
Remove duplicate event handler, caused sort alphabetically to run twice when menu option enabled

git-svn-id: svn://svn.code.sf.net/p/autowikibrowser/code@10148 5227b50d-9349-4574-b055-4b0a7525e11c