added example 34 image and html

network_examples.html

@@ -383,6 +383,12 @@
             <div class="exampleTitle">animation</div>
         </a>
     </div>
+    <div class="col-lg-2 col-md-3 col-sm-6">
+        <a href="examples/network/graphviz/34_circularImages.html">
+            <img class="example img-responsive"  src="./images/exampleScreenshots/network/34.png">
+            <div class="exampleTitle">circular images</div>
+        </a>
+    </div>
     <div class="col-lg-2 col-md-3 col-sm-6">
         <a href="examples/network/graphviz/graphviz_exampleScreenshots.html">
             <img class="example img-responsive"  src="./images/exampleScreenshots/network/graphviz.png">