[www] now use abs(x)

git-svn-id: svn+ssh://rubyforge.org/var/svn/ctioga2/trunk/www@501 86c91514-0d3b-42e0-aed1-4dfce116d947
[www] turn on logging by default for windows

git-svn-id: svn+ssh://rubyforge.org/var/svn/ctioga2/trunk/www@502 86c91514-0d3b-42e0-aed1-4dfce116d947
[www] update installation instructions

git-svn-id: svn+ssh://rubyforge.org/var/svn/ctioga2/trunk/www@503 86c91514-0d3b-42e0-aed1-4dfce116d947
[www] update news file

git-svn-id: svn+ssh://rubyforge.org/var/svn/ctioga2/trunk/www@504 86c91514-0d3b-42e0-aed1-4dfce116d947