Added missing @since tags

git-svn-id: https://svn.apache.org/repos/asf/httpcomponents/httpclient/trunk@919994 13f79535-47bb-0310-9956-ffa450edef68

httpclient/src/main/java/org/apache/http/client/entity/DecompressingEntity.java

@@ -34,6 +34,8 @@ import org.apache.http.entity.HttpEntityWrapper;
 
 /**
  * Common base class for decompressing {@link HttpEntity} implementations.
+ * 
+ * @since 4.1
  */
 abstract class DecompressingEntity extends HttpEntityWrapper {
 

httpclient/src/main/java/org/apache/http/client/entity/DeflateDecompressingEntity.java

@@ -44,6 +44,10 @@ import org.apache.http.entity.HttpEntityWrapper;
  * confusing that <code>deflate</code> in HTTP 1.1 means <code>zlib</code> streams rather than 
  * <code>deflate</code> streams. We handle both types in here, since that's what is seen on the 
  * internet. Moral - prefer <code>gzip</code>!
+ * 
+ * @see GzipDecompressingEntity
+ * 
+ * @since 4.1
  */
 public class DeflateDecompressingEntity extends DecompressingEntity {
 

httpclient/src/main/java/org/apache/http/client/entity/GzipDecompressingEntity.java

@@ -35,6 +35,8 @@ import org.apache.http.entity.HttpEntityWrapper;
 
 /**
  * {@link HttpEntityWrapper} for handling gzip Content Coded responses.
+ * 
+ * @since 4.1
  */
 public class GzipDecompressingEntity extends DecompressingEntity {