8413882 Fix LDAP updates in ipa-replica-install

Authored and Committed by mkosek 12 years ago
    Fix LDAP updates in ipa-replica-install
    
    ipalib API needs to be bootstrapped in 'installer' context otherwise
    LDAP update plugins don't get initialized and ipa-replica-install
    crashes.
    
    https://fedorahosted.org/freeipa/ticket/2139