Release v1.6.0 (#324)

* Update version and changelog for v1.6.0
* Update docs
diff --git a/docs/dyn/compute_v1.html b/docs/dyn/compute_v1.html
index 9b64698..f0e6886 100644
--- a/docs/dyn/compute_v1.html
+++ b/docs/dyn/compute_v1.html
@@ -185,6 +185,26 @@
 <p class="firstline">Returns the projects Resource.</p>
 
 <p class="toc_element">
+  <code><a href="compute_v1.regionAutoscalers.html">regionAutoscalers()</a></code>
+</p>
+<p class="firstline">Returns the regionAutoscalers Resource.</p>
+
+<p class="toc_element">
+  <code><a href="compute_v1.regionBackendServices.html">regionBackendServices()</a></code>
+</p>
+<p class="firstline">Returns the regionBackendServices Resource.</p>
+
+<p class="toc_element">
+  <code><a href="compute_v1.regionInstanceGroupManagers.html">regionInstanceGroupManagers()</a></code>
+</p>
+<p class="firstline">Returns the regionInstanceGroupManagers Resource.</p>
+
+<p class="toc_element">
+  <code><a href="compute_v1.regionInstanceGroups.html">regionInstanceGroups()</a></code>
+</p>
+<p class="firstline">Returns the regionInstanceGroups Resource.</p>
+
+<p class="toc_element">
   <code><a href="compute_v1.regionOperations.html">regionOperations()</a></code>
 </p>
 <p class="firstline">Returns the regionOperations Resource.</p>