index.php: Support both .dot and .gv extensions in the example. See issue #5.
index.php: Support both .dot and .gv extensions in the example. See issue #5.


git-svn-id: d236aa11b63010c45751038f21095274a1190d52@91 96afbf3d-d051-0410-af9b-0f47d9322047

svn2github/canviz,svn2github/canviz,svn2github/canviz