Add download links to hgwebdir index page for allowed archive types.
Based on a patch by Colin McMillen <mcmillen@cs.cmu.edu>
#!/bin/shhg init acd ahg init becho x > b/xecho '# should print nothing'hg stecho '# should print ? b/x'hg st b/xhg add b/xecho '# should print A b/x'hg stecho '# should forget b/x'hg revertecho '# should print nothing'hg st b