implemented SIG membership control, Delete SIG, and the "shell" for the

System Administration menu; also added "Post & Go Topics" as an option for the
post box in conferencing

etc/web.xml

@@ -77,6 +77,14 @@
     <servlet-class>com.silverwrist.venice.servlets.Account</servlet-class>
   </servlet>
 
+  <servlet>
+    <servlet-name>systemadmin</servlet-name>
+    <description>
+      System administration operations.
+    </description>
+    <servlet-class>com.silverwrist.venice.servlets.SystemAdmin</servlet-class>
+  </servlet>
+
   <servlet>
     <servlet-name>settings</servlet-name>
     <description>
@@ -208,6 +216,11 @@
     <url-pattern>/account</url-pattern>
   </servlet-mapping>
 
+  <servlet-mapping>
+    <servlet-name>systemadmin</servlet-name>
+    <url-pattern>/sysadmin</url-pattern>
+  </servlet-mapping>
+
   <servlet-mapping>
     <servlet-name>settings</servlet-name>
     <url-pattern>/settings</url-pattern>