Website: Added Windows 8.1 SDK information, updated FAQ anti-cheat contact info...

git-svn-id: http://svn.code.sf.net/p/processhacker/code/misc@5494 21ef857c-d57f-4fe0-8362-d861dc6d29cd
*fixed last commit

git-svn-id: http://svn.code.sf.net/p/processhacker/code/misc@5495 21ef857c-d57f-4fe0-8362-d861dc6d29cd