Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
diff --git a/docs/dyn/appengine_v1.apps.locations.html b/docs/dyn/appengine_v1.apps.locations.html
index 0cb8344..60d8e2f 100644
--- a/docs/dyn/appengine_v1.apps.locations.html
+++ b/docs/dyn/appengine_v1.apps.locations.html
@@ -72,11 +72,11 @@
 
 </style>
 
-<h1><a href="appengine_v1.html">Google App Engine Admin API</a> . <a href="appengine_v1.apps.html">apps</a> . <a href="appengine_v1.apps.locations.html">locations</a></h1>
+<h1><a href="appengine_v1.html">App Engine Admin API</a> . <a href="appengine_v1.apps.html">apps</a> . <a href="appengine_v1.apps.locations.html">locations</a></h1>
 <h2>Instance Methods</h2>
 <p class="toc_element">
   <code><a href="#get">get(appsId, locationsId, x__xgafv=None)</a></code></p>
-<p class="firstline">Get information about a location.</p>
+<p class="firstline">Gets information about a location.</p>
 <p class="toc_element">
   <code><a href="#list">list(appsId, pageSize=None, filter=None, pageToken=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Lists information about the supported locations for this service.</p>
@@ -86,7 +86,7 @@
 <h3>Method Details</h3>
 <div class="method">
     <code class="details" id="get">get(appsId, locationsId, x__xgafv=None)</code>
-  <pre>Get information about a location.
+  <pre>Gets information about a location.
 
 Args:
   appsId: string, Part of `name`. Resource name for the location. (required)
@@ -100,6 +100,7 @@
   An object of the form:
 
     { # A resource that represents Google Cloud Platform location.
+    "displayName": "A String", # The friendly name for this location, typically a nearby city name. For example, "Tokyo".
     "labels": { # Cross-service attributes for the location. For example
         # {"cloud.googleapis.com/region": "us-east1"}
       "a_key": "A String",
@@ -133,6 +134,7 @@
     "nextPageToken": "A String", # The standard List next-page token.
     "locations": [ # A list of locations that matches the specified filter in the request.
       { # A resource that represents Google Cloud Platform location.
+        "displayName": "A String", # The friendly name for this location, typically a nearby city name. For example, "Tokyo".
         "labels": { # Cross-service attributes for the location. For example
             # {"cloud.googleapis.com/region": "us-east1"}
           "a_key": "A String",