Merge PR #893 branch 'develop-olympus' into develop

* develop-olympus:
  [ticket/10184] Query bots table to get the user_ids of the bots
  [ticket/10184] Disable receiving pms for bots by default

phpBB/install/install_install.php

@@ -1772,6 +1772,7 @@ class install_install extends module
 				'user_timezone'			=> 'UTC',
 				'user_dateformat'		=> $lang['default_dateformat'],
 				'user_allow_massemail'	=> 0,
+				'user_allow_pm'			=> 0,
 			);
 
 			$user_id = user_add($user_row);