samba - Mar 2014 - Samba4 Domain Account Lockout

Dear Samba team

I followed this link:

http://www.marshut.com/iptxts/samba4-domain-account-lockout.html

But I don't know how to merge code into samba 4.1.6

Please help me integrated account lockout feature into lastest samba stable
4.1.6.
And any commands to do it.

Thank you very much!

Hieu