This change added ppolicy-check-password package from
https://github.com/cedric-dufour/ppolicy-check-password
This package contains check_password.so that is used by ldap
to enforce password complexity for ldap users.
Test Plan for Debian:
PASS: package build, image build
PASS: system bootstrap, controller unlock
PASS: after controller unlock, login by "admin" user on
console, and su to "admin" on ssh session.
PASS: failure path with incompliant passwords for ldap user
password change (eg, change password when first login)
Story: 2009101
Task: 44864
Signed-off-by: Andy Ning <andy.ning@windriver.com>
Change-Id: If5a1e5c6784c7354c0a4903e1d1c4abb21d8a01f