Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
diff --git a/docs/dyn/iam_v1.permissions.html b/docs/dyn/iam_v1.permissions.html
new file mode 100644
index 0000000..dd64831
--- /dev/null
+++ b/docs/dyn/iam_v1.permissions.html
@@ -0,0 +1,144 @@
+<html><body>
+<style>
+
+body, h1, h2, h3, div, span, p, pre, a {
+  margin: 0;
+  padding: 0;
+  border: 0;
+  font-weight: inherit;
+  font-style: inherit;
+  font-size: 100%;
+  font-family: inherit;
+  vertical-align: baseline;
+}
+
+body {
+  font-size: 13px;
+  padding: 1em;
+}
+
+h1 {
+  font-size: 26px;
+  margin-bottom: 1em;
+}
+
+h2 {
+  font-size: 24px;
+  margin-bottom: 1em;
+}
+
+h3 {
+  font-size: 20px;
+  margin-bottom: 1em;
+  margin-top: 1em;
+}
+
+pre, code {
+  line-height: 1.5;
+  font-family: Monaco, 'DejaVu Sans Mono', 'Bitstream Vera Sans Mono', 'Lucida Console', monospace;
+}
+
+pre {
+  margin-top: 0.5em;
+}
+
+h1, h2, h3, p {
+  font-family: Arial, sans serif;
+}
+
+h1, h2, h3 {
+  border-bottom: solid #CCC 1px;
+}
+
+.toc_element {
+  margin-top: 0.5em;
+}
+
+.firstline {
+  margin-left: 2 em;
+}
+
+.method  {
+  margin-top: 1em;
+  border: solid 1px #CCC;
+  padding: 1em;
+  background: #EEE;
+}
+
+.details {
+  font-weight: bold;
+  font-size: 14px;
+}
+
+</style>
+
+<h1><a href="iam_v1.html">Identity and Access Management (IAM) API</a> . <a href="iam_v1.permissions.html">permissions</a></h1>
+<h2>Instance Methods</h2>
+<p class="toc_element">
+  <code><a href="#queryTestablePermissions">queryTestablePermissions(body, x__xgafv=None)</a></code></p>
+<p class="firstline">Lists the permissions testable on a resource.</p>
+<p class="toc_element">
+  <code><a href="#queryTestablePermissions_next">queryTestablePermissions_next(previous_request, previous_response)</a></code></p>
+<p class="firstline">Retrieves the next page of results.</p>
+<h3>Method Details</h3>
+<div class="method">
+    <code class="details" id="queryTestablePermissions">queryTestablePermissions(body, x__xgafv=None)</code>
+  <pre>Lists the permissions testable on a resource.
+A permission is testable if it can be tested for an identity on a resource.
+
+Args:
+  body: object, The request body. (required)
+    The object takes the form of:
+
+{ # A request to get permissions which can be tested on a resource.
+    "pageToken": "A String", # Optional pagination token returned in an earlier
+        # QueryTestablePermissionsRequest.
+    "fullResourceName": "A String", # Required. The full resource name to query from the list of testable
+        # permissions.
+        # 
+        # The name follows the Google Cloud Platform resource format.
+        # For example, a Cloud Platform project with id `my-project` will be named
+        # `//cloudresourcemanager.googleapis.com/projects/my-project`.
+    "pageSize": 42, # Optional limit on the number of permissions to include in the response.
+  }
+
+  x__xgafv: string, V1 error format.
+    Allowed values
+      1 - v1 error format
+      2 - v2 error format
+
+Returns:
+  An object of the form:
+
+    { # The response containing permissions which can be tested on a resource.
+    "nextPageToken": "A String", # To retrieve the next page of results, set
+        # `QueryTestableRolesRequest.page_token` to this value.
+    "permissions": [ # The Permissions testable on the requested resource.
+      { # A permission which can be included by a role.
+        "apiDisabled": True or False, # The service API associated with the permission is not enabled.
+        "name": "A String", # The name of this Permission.
+        "title": "A String", # The title of this Permission.
+        "stage": "A String", # The current launch stage of the permission.
+        "onlyInPredefinedRoles": True or False, # This permission can ONLY be used in predefined roles.
+        "customRolesSupportLevel": "A String", # The current custom role support level.
+        "description": "A String", # A brief description of what this Permission is used for.
+      },
+    ],
+  }</pre>
+</div>
+
+<div class="method">
+    <code class="details" id="queryTestablePermissions_next">queryTestablePermissions_next(previous_request, previous_response)</code>
+  <pre>Retrieves the next page of results.
+
+Args:
+  previous_request: The request for the previous page. (required)
+  previous_response: The response from the request for the previous page. (required)
+
+Returns:
+  A request object that you can call 'execute()' on to request the next
+  page. Returns None if there are no more items in the collection.
+    </pre>
+</div>
+
+</body></html>
\ No newline at end of file