file links in the directory listing templates. Also make other
minor cleanups.
* templates/directory.ezt
restore the file links and make the alt attribute for the
parent direcotry icon the same as for the other icons
* templates/dir_alt.ezt
restore the file links and add title attributes to all links
* website/upgrading.html
update documentation for 0.9's rows.rev_href variable
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git-svn-id: http://viewvc.tigris.org/svn/viewvc/trunk@1151 8cb11bc2-c004-0410-86c3-e597b4017df7