1. Implemented the backend for accepting shorter urls for visualizations. This partially implements the feature described here http://issues.library.cornell.edu/browse/NIHVIVO-1097

2. Changed the IndividualTemplateModel to render shorter vis urls for temporal graph & ego-centric networks.
3. changed main toggle visualization links in ego-centric networks to use shorter vis urls.

productMods/WEB-INF/web.xml

@@ -1310,7 +1310,12 @@
    <servlet>
     <servlet-name>StandardVisualizationController</servlet-name>
     <servlet-class>edu.cornell.mannlib.vitro.webapp.controller.visualization.freemarker.StandardVisualizationController</servlet-class>
-  </servlet>
+   </servlet>
+   
+  <servlet>
+    <servlet-name>ShortURLVisualizationController</servlet-name>
+    <servlet-class>edu.cornell.mannlib.vitro.webapp.controller.visualization.freemarker.ShortURLVisualizationController</servlet-class>
+  </servlet>   
 
   <servlet-mapping>
     <servlet-name>StandardVisualizationController</servlet-name>
@@ -1321,6 +1326,14 @@
     <servlet-name>StandardVisualizationController</servlet-name>
     <url-pattern>/visualization</url-pattern>
   </servlet-mapping>
+  
+  <!--
+	This mapping is done to facilitate shorter vis urls.  
+  -->
+  <servlet-mapping>
+    <servlet-name>ShortURLVisualizationController</servlet-name>
+    <url-pattern>/vis/*</url-pattern>
+  </servlet-mapping>
 
    <servlet>
     <servlet-name>AjaxVisualizationController</servlet-name>