Mark ChatLog as deprecated

Summary: Ref T6875. #chatlog is deprecated and will eventually be merged into #conpherence.

Test Plan: N/A

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: cburroughs, epriestley

Maniphest Tasks: T6875

Differential Revision: https://secure.phabricator.com/D12097

src/applications/chatlog/application/PhabricatorChatLogApplication.php

@@ -11,7 +11,7 @@ final class PhabricatorChatLogApplication extends PhabricatorApplication {
   }
 
   public function getShortDescription() {
-    return pht('IRC Logs');
+    return pht('(Deprecated)');
   }
 
   public function getFontIcon() {