Revert .context to Hibernate Validator 4.1.0.GA

In order to determine why Ehcache classloading errors occur after
upgrading to 4.2.0.Final.

To demonstrate this error, uncomment the 4.2.0.Final dependency in
ivy.xml and run `ant test` within the .context module.

org.springframework.context/ivy.xml

@@ -51,7 +51,11 @@
 		<dependency org="org.beanshell" name="com.springsource.bsh" rev="2.0.0.b4" conf="optional, beanshell->compile"/>
 		<dependency org="org.codehaus.groovy" name="com.springsource.org.codehaus.groovy" rev="1.6.5" conf="optional, groovy->compile"/>
 		<dependency org="org.codehaus.jsr166-mirror" name="com.springsource.jsr166" rev="1.7.0" conf="provided->compile"/>
+		<!-- the following works -->
+		<dependency org="org.hibernate" name="com.springsource.org.hibernate.validator" rev="4.1.0.GA" conf="optional->compile"/>
+		<!-- the following upgrade to 4.2.0.Final *should* work, but results in NoClassDefFound errors for net.sf.ehcache.store.MemoryStoreEvictionPolicy
 		<dependency org="org.hibernate" name="com.springsource.org.hibernate.validator" rev="4.2.0.Final" conf="optional->compile"/>
+		-->
 		<dependency org="org.joda" name="com.springsource.org.joda.time" rev="1.6.0" conf="optional->compile"/>
 		<dependency org="org.jruby" name="com.springsource.org.jruby" rev="1.4.0" conf="optional, jruby->compile"/>
 		<dependency org="org.springframework" name="org.springframework.asm" rev="latest.integration" conf="compile->compile"/>