Polishing

- Correct copyright years
- Add `@since` to javadoc of new public classes
- Make new classes final where appropriate

spring-restdocs-mockmvc/src/main/java/org/springframework/restdocs/mockmvc/MockMvcRequestConverter.java

@@ -50,7 +50,6 @@ import static org.springframework.restdocs.mockmvc.IterableEnumeration.iterable;
  * {@link MockHttpServletRequest}.
  *
  * @author Andy Wilkinson
- *
  */
 class MockMvcRequestConverter implements RequestConverter<MockHttpServletRequest> {
 

spring-restdocs-mockmvc/src/main/java/org/springframework/restdocs/mockmvc/MockMvcRestDocumentationConfigurer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2016 the original author or authors.
+ * Copyright 2014-2016 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -33,8 +33,9 @@ import org.springframework.web.context.WebApplicationContext;
  * A MockMvc-specific {@link RestDocumentationConfigurer}.
  *
  * @author Andy Wilkinson
+ * @since 1.1.0
  */
-public class MockMvcRestDocumentationConfigurer extends
+public final class MockMvcRestDocumentationConfigurer extends
 		RestDocumentationConfigurer<MockMvcSnippetConfigurer, MockMvcRestDocumentationConfigurer>
 		implements MockMvcConfigurer {
 

spring-restdocs-mockmvc/src/main/java/org/springframework/restdocs/mockmvc/MockMvcSnippetConfigurer.java

@@ -26,8 +26,9 @@ import org.springframework.web.context.WebApplicationContext;
  * A configurer that can be used to configure the generated documentation snippets.
  *
  * @author Andy Wilkinson
+ * @since 1.1.0
  */
-public class MockMvcSnippetConfigurer extends
+public final class MockMvcSnippetConfigurer extends
 		SnippetConfigurer<MockMvcRestDocumentationConfigurer, MockMvcSnippetConfigurer>
 		implements MockMvcConfigurer {