sgw: some updates and additions to help people find the old pdf.
* new html from updated xml-docs
* amanda-2.5.2p1 release.
* download.php: Update Development branches.
* docs/AMANDA-docs.html: Remove PDF doc, I can't build it.
* Update for 2.5.2 release.
* download.php: Use amanda.svn.sourceforge.net hostname.
* download.php: amanda-2.5.2b1
add paragraph split; make index/maillinglists in sync.
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