Regen all docs. (#700)

* Stop recursing if discovery == {}

* Generate docs with 'make docs'.
diff --git a/docs/dyn/classroom_v1.userProfiles.guardianInvitations.html b/docs/dyn/classroom_v1.userProfiles.guardianInvitations.html
index ae27ed4..ba29618 100644
--- a/docs/dyn/classroom_v1.userProfiles.guardianInvitations.html
+++ b/docs/dyn/classroom_v1.userProfiles.guardianInvitations.html
@@ -81,7 +81,7 @@
   <code><a href="#get">get(studentId, invitationId, x__xgafv=None)</a></code></p>
 <p class="firstline">Returns a specific guardian invitation.</p>
 <p class="toc_element">
-  <code><a href="#list">list(studentId, invitedEmailAddress=None, pageSize=None, states=None, pageToken=None, x__xgafv=None)</a></code></p>
+  <code><a href="#list">list(studentId, invitedEmailAddress=None, pageSize=None, pageToken=None, states=None, x__xgafv=None)</a></code></p>
 <p class="firstline">Returns a list of guardian invitations that the requesting user is</p>
 <p class="toc_element">
   <code><a href="#list_next">list_next(previous_request, previous_response)</a></code></p>
@@ -209,7 +209,7 @@
 </div>
 
 <div class="method">
-    <code class="details" id="list">list(studentId, invitedEmailAddress=None, pageSize=None, states=None, pageToken=None, x__xgafv=None)</code>
+    <code class="details" id="list">list(studentId, invitedEmailAddress=None, pageSize=None, pageToken=None, states=None, x__xgafv=None)</code>
   <pre>Returns a list of guardian invitations that the requesting user is
 permitted to view, filtered by the parameters provided.
 
@@ -243,8 +243,6 @@
 server may assign a maximum.
 
 The server may return fewer than the specified number of results.
-  states: string, If specified, only results with the specified `state` values will be
-returned. Otherwise, results with a `state` of `PENDING` will be returned. (repeated)
   pageToken: string, nextPageToken
 value returned from a previous
 list call,
@@ -252,6 +250,8 @@
 
 The list request
 must be otherwise identical to the one that resulted in this token.
+  states: string, If specified, only results with the specified `state` values will be
+returned. Otherwise, results with a `state` of `PENDING` will be returned. (repeated)
   x__xgafv: string, V1 error format.
     Allowed values
       1 - v1 error format