fix dox to use subpage so that it displays

bindings/java/doxygen/Doxyfile

@@ -760,7 +760,7 @@ WARN_LOGFILE           =
 
 INPUT                  = main.dox \
                          query_database.dox \
-						 blackboard.dox \
+			 blackboard.dox \
                          insert_and_update_database.dox \
 						 ../src
 

bindings/java/doxygen/main.dox

@@ -34,7 +34,7 @@ Flush out here on general layout.
 
 \section jni_blackboard The Blackboard
 
-\ref mod_bbpage
+\subpage mod_bbpage
 
 
 \section the_database The Database