Switch graphviz output to png until I figure out how to make this work well with patrick's pdfrw extension
Switch graphviz output to png until I figure out how to make this work well with patrick's pdfrw extension
liuyi1112/rst2pdf,liuyi1112/rst2pdf,rst2pdf/rst2pdf,pombreda/rst2pdf,rst2pdf/rst2pdf,pombreda/rst2pdf