Websitev3: fixed changelog format; added menu for navigating pages (debug-only);


git-svn-id: svn://svn.code.sf.net/p/processhacker/code@5508 21ef857c-d57f-4fe0-8362-d861dc6d29cd
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git-svn-id: svn://svn.code.sf.net/p/processhacker/code@5509 21ef857c-d57f-4fe0-8362-d861dc6d29cd