fixed iframe

Author: fchasen

.gitignore

@@ -1,3 +1,5 @@
 .ipynb_checkpoints
 *.pyc
-.DS_Store
+.DS_Store
+.awspublish-*
+compiled

README.md

@@ -246,7 +246,7 @@ The final mapping is obtained when the equilibrium is reached.
 Here is an illustration of a dynamic graph layout based on a similar idea. Nodes are connected via springs and the system evolves according to law of physics (example by [Mike Bostock](http://bl.ocks.org/mbostock/4062045)).
 
 <iframe src="https://d3ansictanv2wj.cloudfront.net/rossant-f06184034ba66a0bd06a-001.html"
-        style="border: 0; width: 620px; height: 440px; margin: 0; padding: 0;" sandbox="allow-scripts" />
+        style="border: 0; width: 620px; height: 440px; margin: 0; padding: 0;" sandbox="allow-scripts" ></iframe>