Deprecate Velocity support

Issue: SPR-13235

spring-context-support/src/main/java/org/springframework/ui/velocity/VelocityEngineFactory.java

@@ -69,7 +69,9 @@ import org.springframework.util.StringUtils;
  * @see VelocityEngineFactoryBean
  * @see org.springframework.web.servlet.view.velocity.VelocityConfigurer
  * @see org.apache.velocity.app.VelocityEngine
+ * @deprecated as of Spring 4.3, in favor of FreeMarker
  */
+@Deprecated
 public class VelocityEngineFactory {
 
 	protected final Log logger = LogFactory.getLog(getClass());

spring-context-support/src/main/java/org/springframework/ui/velocity/VelocityEngineFactoryBean.java

@@ -46,7 +46,9 @@ import org.springframework.context.ResourceLoaderAware;
  * @see #setVelocityProperties
  * @see #setResourceLoaderPath
  * @see org.springframework.web.servlet.view.velocity.VelocityConfigurer
+ * @deprecated as of Spring 4.3, in favor of FreeMarker
  */
+@Deprecated
 public class VelocityEngineFactoryBean extends VelocityEngineFactory
 		implements FactoryBean<VelocityEngine>, InitializingBean, ResourceLoaderAware {
 

spring-context-support/src/main/java/org/springframework/ui/velocity/VelocityEngineUtils.java

@@ -30,7 +30,9 @@ import org.apache.velocity.exception.VelocityException;
  *
  * @author Juergen Hoeller
  * @since 22.01.2004
+ * @deprecated as of Spring 4.3, in favor of FreeMarker
  */
+@Deprecated
 public abstract class VelocityEngineUtils {
 
 	/**