Added graphviz module

graphviz/manifests/init.pp

@@ -0,0 +1,23 @@
+# Install graphviz.
+#
+class graphviz {
+
+    package { "graphviz":
+        ensure => installed,
+    }
+
+}
+
+# Install python bindings for graphviz.
+#
+class graphviz::python inherits graphviz {
+
+    package { "graphviz-python":
+        name   => $operatingsystem ? {
+            debian => "libgv-python",
+            ubuntu => "libgv-python",
+        },
+        ensure => installed,
+    }
+
+}