Release v1.6.0 (#324)

* Update version and changelog for v1.6.0
* Update docs
diff --git a/docs/dyn/androidpublisher_v2.edits.deobfuscationfiles.html b/docs/dyn/androidpublisher_v2.edits.deobfuscationfiles.html
index 14e2f10..27b38ae 100644
--- a/docs/dyn/androidpublisher_v2.edits.deobfuscationfiles.html
+++ b/docs/dyn/androidpublisher_v2.edits.deobfuscationfiles.html
@@ -75,11 +75,11 @@
 <h1><a href="androidpublisher_v2.html">Google Play Developer API</a> . <a href="androidpublisher_v2.edits.html">edits</a> . <a href="androidpublisher_v2.edits.deobfuscationfiles.html">deobfuscationfiles</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
-  <code><a href="#upload">upload(packageName, editId, apkVersionCode, deobfuscationFileType, media_body=None)</a></code></p>
+  <code><a href="#upload">upload(packageName, editId, apkVersionCode, deobfuscationFileType, media_body=None, media_mime_type=None)</a></code></p>
 <p class="firstline">Uploads the deobfuscation file of the specified APK. If a deobfuscation file already exists, it will be replaced.</p>
 <h3>Method Details</h3>
 <div class="method">
-    <code class="details" id="upload">upload(packageName, editId, apkVersionCode, deobfuscationFileType, media_body=None)</code>
+    <code class="details" id="upload">upload(packageName, editId, apkVersionCode, deobfuscationFileType, media_body=None, media_mime_type=None)</code>
   <pre>Uploads the deobfuscation file of the specified APK. If a deobfuscation file already exists, it will be replaced.
 
 Args:
@@ -90,6 +90,7 @@
     Allowed values
       proguard - 
   media_body: string, The filename of the media request body, or an instance of a MediaUpload object.
+  media_mime_type: string, The MIME type of the media request body, or an instance of a MediaUpload object.
 
 Returns:
   An object of the form: