fix pwdLastSet calcuation (2181cca from 0.9, thanks Joshua Shire)

git-svn-id: http://arthurdejong.org/svn/nss-pam-ldapd/nss-pam-ldapd-0.8@2065 ef36b2f9-881f-0410-afb5-c4e39611909c
update test script and configuration from 0.9 branch

git-svn-id: http://arthurdejong.org/svn/nss-pam-ldapd/nss-pam-ldapd-0.8@2066 ef36b2f9-881f-0410-afb5-c4e39611909c