partial implementation of conference management; rewrote the whole servlets

layer to eliminate duplicate code and make error checking more efficient
(we now use a system that relies on Throwables to do interesting things)

web/format/find.jsp

@@ -7,7 +7,7 @@
   WARRANTY OF ANY KIND, either express or implied. See the License for the specific
   language governing rights and limitations under the License.
   
-  The Original Code is the Venice Web Community System.
+  The Original Code is the Venice Web Communities System.
   
   The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
   for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
@@ -105,8 +105,7 @@ private static String getActivityString(SIGContext sig, RenderData rdat)
     <%= rdat.getStdFontTag(null,2) %>
       Display all categories whose name&nbsp;&nbsp;
 
-  <% } else throw new InternalStateError("display parameter " + String.valueOf(data.getDisplayOption())
-                                         + " invalid"); %>
+  <% } else throw new InternalStateError("display parameter " + data.getDisplayOption() + " invalid"); %>
 
     <SELECT NAME="mode" SIZE=1>
       <OPTION VALUE="<%= SearchMode.SEARCH_PREFIX %>"