SEC-2119: Update to 3.2 schema and use default schema version when available

docs/manual/src/docbook/namespace-config.xml

@@ -39,7 +39,7 @@
   xsi:schemaLocation="http://www.springframework.org/schema/beans
           http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
           http://www.springframework.org/schema/security
-          http://www.springframework.org/schema/security/spring-security-3.1.xsd">
+          http://www.springframework.org/schema/security/spring-security.xsd">
     ...
 </beans>
   ]]></programlisting> In many of the examples you will see (and in the sample) applications, we
@@ -54,7 +54,7 @@
   xsi:schemaLocation="http://www.springframework.org/schema/beans
            http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
            http://www.springframework.org/schema/security
-           http://www.springframework.org/schema/security/spring-security-3.1.xsd">
+           http://www.springframework.org/schema/security/spring-security.xsd">
     ...
 </beans:beans>
 ]]></programlisting> We'll assume this syntax is being used from now on in this chapter. </para>