SWS-963 Correct supported Java version cited in reference docs

Author: gregturn

src/reference/docbook/what-is-spring-ws.xml

@@ -72,8 +72,8 @@
     <section>
         <title>Runtime environment</title>
         <para>
-            Spring Web Services requires a standard Java 1.6 Runtime Environment. Java 1.7 and 1.8 are also supported.
-            Spring-WS also requires Spring 3.2 or higher.
+            Spring Web Services requires a standard Java 7 Runtime Environment. Java 8 is also supported.
+            Spring-WS is built on Spring Framework 4.0.9, but higher versions are supported.
         </para>
         <para>
             Spring-WS consists of a number of modules, which are described in the remainder of this section.