Bump in README.md, add license header

Author: ypresto

README.md

@@ -47,7 +47,7 @@ repositories {
 ```
 
 ```
-compile 'net.ypresto.androidtranscoder:android-transcoder:0.1.7'
+compile 'net.ypresto.androidtranscoder:android-transcoder:0.1.8'
 ```
 
 ## Note (PLEASE READ FIRST)

lib/src/main/java/net/ypresto/androidtranscoder/engine/QueuedMuxer.java

@@ -1,3 +1,18 @@
+/*
+ * Copyright (C) 2015 Yuya Tanaka
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
 package net.ypresto.androidtranscoder.engine;
 
 import android.media.MediaCodec;