Updated version number for reference manual

src/docbkx/springsecurity.xml

@@ -12,7 +12,7 @@
             <personname>Ben Alex, Luke Taylor</personname>
         </author>
                 
-        <releaseinfo>2.0-SNAPSHOT</releaseinfo>
+        <releaseinfo>2.0.x</releaseinfo>
         
     </info>