Remove "bin/celerity" dependency on database setup

Summary: Ref PHI2157. Like other low-level tools, "bin/celerity" does not need databases configured in order to execute.

Test Plan: Ran `bin/celerity map` with and without the database available.

Differential Revision: https://secure.phabricator.com/D21730

Author: epriestley

scripts/setup/manage_celerity.php

@@ -2,7 +2,7 @@
 <?php
 
 $root = dirname(dirname(dirname(__FILE__)));
-require_once $root.'/scripts/__init_script__.php';
+require_once $root.'/scripts/init/init-setup.php';
 
 $args = new PhutilArgumentParser($argv);
 $args->setTagline(pht('manage celerity'));