Add missing headers and comments

Mea culpa, I should know better by now.

Author: barnardb

src/main/java/com/ning/http/client/providers/netty/handler/ConnectionStrategy.java

@@ -1,3 +1,16 @@
+/*
+ * Copyright (c) 2014 AsyncHttpClient Project. All rights reserved.
+ *
+ * This program is licensed to you under the Apache License Version 2.0,
+ * and you may not use this file except in compliance with the Apache License Version 2.0.
+ * You may obtain a copy of the Apache License Version 2.0 at
+ *     http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the Apache License Version 2.0 is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Apache License Version 2.0 for the specific language governing permissions and limitations there under.
+ */
 package com.ning.http.client.providers.netty.handler;
 
 import org.jboss.netty.handler.codec.http.HttpRequest;

src/main/java/com/ning/http/client/providers/netty/handler/Http1Point1ConnectionStrategy.java

@@ -1,12 +1,32 @@
+/*
+ * Copyright (c) 2014 AsyncHttpClient Project. All rights reserved.
+ *
+ * This program is licensed to you under the Apache License Version 2.0,
+ * and you may not use this file except in compliance with the Apache License Version 2.0.
+ * You may obtain a copy of the Apache License Version 2.0 at
+ *     http://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the Apache License Version 2.0 is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the Apache License Version 2.0 for the specific language governing permissions and limitations there under.
+ */
 package com.ning.http.client.providers.netty.handler;
 
 import org.jboss.netty.handler.codec.http.HttpHeaders;
 import org.jboss.netty.handler.codec.http.HttpMessage;
 import org.jboss.netty.handler.codec.http.HttpRequest;
 import org.jboss.netty.handler.codec.http.HttpResponse;
 
+/**
+ * Connection strategy implementing standard HTTP 1.1 behaviour.
+ */
 public class Http1Point1ConnectionStrategy implements ConnectionStrategy {
 
+    /**
+     * Implemented in accordance with RFC 7230 section 6.1
+     * https://tools.ietf.org/html/rfc7230#section-6.1
+     */
     @Override
     public boolean keepAlive(HttpRequest httpRequest, HttpResponse response) {
         return isConnectionKeepAlive(httpRequest) && isConnectionKeepAlive(response);