Add LDAP Referrals Option

Summary: In order to perform the searches on Windows 2003 Server Active Directory you have to set the LDAP_OPT_REFERRALS option to 0

Test Plan: Test if LDAP works with Windows 2003 AD

Reviewers: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D3004