Changed new GraphViz parser to be less generic (so it can be built as a binary); fixed subgraph issues by doing a lot of tests on GraphViz itself and restructuring a lot of the parser; made docs only point to new parser and made old one not build by default (although it is not removed)
[SVN r53237]
Jeremiah Willcock%!s(int64=17) %!d(string=hai) anos