Allow public on Ponder Questions, History pages

Summary: Ref T9234, these should allow being publicly visible

Test Plan: log out, see page

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Maniphest Tasks: T9234

Differential Revision: https://secure.phabricator.com/D13952

src/applications/ponder/controller/PonderAnswerHistoryController.php

@@ -2,6 +2,10 @@
 
 final class PonderAnswerHistoryController extends PonderController {
 
+  public function shouldAllowPublic() {
+    return true;
+  }
+
   public function handleRequest(AphrontRequest $request) {
     $viewer = $request->getViewer();
     $id = $request->getURIData('id');

src/applications/ponder/controller/PonderQuestionHistoryController.php

@@ -2,6 +2,10 @@
 
 final class PonderQuestionHistoryController extends PonderController {
 
+  public function shouldAllowPublic() {
+    return true;
+  }
+
   public function handleRequest(AphrontRequest $request) {
     $viewer = $request->getViewer();
     $id = $request->getURIData('id');

src/applications/ponder/controller/PonderQuestionViewController.php

@@ -2,6 +2,10 @@
 
 final class PonderQuestionViewController extends PonderController {
 
+  public function shouldAllowPublic() {
+    return true;
+  }
+
   public function handleRequest(AphrontRequest $request) {
     $viewer = $request->getViewer();
     $id = $request->getURIData('id');