Add license header to new files

Author: puresam

client/src/main/java/org/asynchttpclient/request/body/multipart/InputStreamPart.java

@@ -1,3 +1,16 @@
+/*
+ * Copyright (c) 2018 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 org.asynchttpclient.request.body.multipart;
 
 import java.io.InputStream;

client/src/main/java/org/asynchttpclient/request/body/multipart/part/InputStreamMultipartPart.java

@@ -1,3 +1,16 @@
+/*
+ * Copyright (c) 2018 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 org.asynchttpclient.request.body.multipart.part;
 
 import io.netty.buffer.ByteBuf;

client/src/test/java/org/asynchttpclient/request/body/InputStreamPartLargeFileTest.java

@@ -1,9 +1,10 @@
 /*
- * Copyright (c) 2010-2012 Sonatype, Inc. All rights reserved.
+ * Copyright (c) 2018 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.
+ * 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