Javadoc format and related polishing

(cherry picked from commit 9d0e62e)

spring-context/src/main/java/org/springframework/cache/annotation/CachingConfigurer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2014 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -33,6 +33,7 @@ import org.springframework.cache.interceptor.KeyGenerator;
  * for detailed instructions.
  *
  * @author Chris Beams
+ * @author Stephane Nicoll
  * @since 3.1
  * @see EnableCaching
  * @see CachingConfigurerSupport
@@ -67,8 +68,8 @@ public interface CachingConfigurer {
 	 * Return the {@link CacheResolver} bean to use to resolve regular caches for
 	 * annotation-driven cache management. This is an alternative and more powerful
 	 * option of specifying the {@link CacheManager} to use.
-	 * <p>If both a {@link #cacheManager()} and {@link #cacheResolver()} are set, the
-	 * cache manager is ignored.
+	 * <p>If both a {@link #cacheManager()} and {@code #cacheResolver()} are set,
+	 * the cache manager is ignored.
 	 * <p>Implementations must explicitly declare
 	 * {@link org.springframework.context.annotation.Bean @Bean}, e.g.
 	 * <pre class="code">

spring-context/src/main/java/org/springframework/context/support/PropertySourcesPlaceholderConfigurer.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2018 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.
@@ -183,7 +183,7 @@ public class PropertySourcesPlaceholderConfigurer extends PlaceholderConfigurerS
 	/**
 	 * Implemented for compatibility with {@link org.springframework.beans.factory.config.PlaceholderConfigurerSupport}.
 	 * @deprecated in favor of {@link #processProperties(ConfigurableListableBeanFactory, ConfigurablePropertyResolver)}
-	 * @throws UnsupportedOperationException
+	 * @throws UnsupportedOperationException in this implementation
 	 */
 	@Override
 	@Deprecated