limit the allowed server pong rate


git-svn-id: svn://svn.tuxfamily.org/svnroot/tesseract/main@1536 b412e182-2ed4-4078-95c4-27dc59f57fa9
limitpong fix


git-svn-id: svn://svn.tuxfamily.org/svnroot/tesseract/main@1537 b412e182-2ed4-4078-95c4-27dc59f57fa9
use secs for decalfade, servpingrate, and servpingdecay


git-svn-id: svn://svn.tuxfamily.org/svnroot/tesseract/main@1538 b412e182-2ed4-4078-95c4-27dc59f57fa9