Update copyright headers in IdGenerators

Author: sbrannen

spring-core/src/main/java/org/springframework/util/AlternativeJdkIdGenerator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2015 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.

spring-core/src/main/java/org/springframework/util/IdGenerator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2015 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.
@@ -19,7 +19,7 @@
 import java.util.UUID;
 
 /**
- * Contract for generating {@link UUID} identifiers.
+ * Contract for generating universally unique identifiers {@link UUID (UUIDs)}.
  *
  * @author Rossen Stoyanchev
  * @since 4.0

spring-core/src/main/java/org/springframework/util/JdkIdGenerator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2015 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.
@@ -19,7 +19,8 @@
 import java.util.UUID;
 
 /**
- * An IdGenerator that calls {@link java.util.UUID#randomUUID()}.
+ * An {@link org.springframework.util.IdGenerator IdGenerator} that calls
+ * {@link java.util.UUID#randomUUID()}.
  *
  * @author Rossen Stoyanchev
  * @since 4.2

spring-core/src/main/java/org/springframework/util/SimpleIdGenerator.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2013 the original author or authors.
+ * Copyright 2002-2015 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.
@@ -20,7 +20,8 @@
 import java.util.concurrent.atomic.AtomicLong;
 
 /**
- * An simple IdGenerator that starts at 1 and increments by 1 with each call.
+ * A simple {@link org.springframework.util.IdGenerator IdGenerator} that
+ * starts at 1 and increments by 1 with each call.
  *
  * @author Rossen Stoyanchev
  * @since 4.2