update download links

Author: retrostreams

docs/index.html

@@ -46,9 +46,9 @@ <h3 id="javadoc">Javadoc online</h3>
 <h3 id="files">Downloads</h3>
 
 <ul>
-  <li><a href="https://github.com/retrostreams/android-retrostreams/releases/download/1.5.6/android-retrostreams-1.5.6.jar">android-retrostreams-1.5.6.jar</a> - Java 8 Jar file (Bytecode version 52)</li>
-  <li><a href="https://github.com/retrostreams/android-retrostreams/releases/download/1.5.6/android-retrostreams-1.5.6-javadoc.jar">android-retrostreams-1.5.6-javadoc.jar</a> - Javadoc API documentation</li>
-  <li><a href="https://github.com/retrostreams/android-retrostreams/archive/1.5.6.zip">android-retrostreams-1.5.6-src.zip</a> - Java source code</li>
+  <li><a href="https://github.com/retrostreams/android-retrostreams/releases/download/1.6.0/android-retrostreams-1.6.0.jar">android-retrostreams-1.6.0.jar</a> - Java 8 Jar file (Bytecode version 52)</li>
+  <li><a href="https://github.com/retrostreams/android-retrostreams/releases/download/1.6.0/android-retrostreams-1.6.0-javadoc.jar">android-retrostreams-1.6.0-javadoc.jar</a> - Javadoc API documentation</li>
+  <li><a href="https://github.com/retrostreams/android-retrostreams/archive/1.6.0.zip">android-retrostreams-1.6.0-src.zip</a> - Java source code</li>
 </ul>