Updated sync_accounts script for karrage 3

Disable the correct datastore when importing accounts from keystone.

Change-Id: Ic47c49330fd9432b01ec26e13c3fd5ed8afd62ff
Disabling an account should disable it in keystone

Fixes a bug where a disabled account would still be enabled in
keystone.  Adds tests for normal account updates and locking a person.

Change-Id: I71125d6bdc9f033378d29cdec758fd83ba981e10
Disable karaage global datastore functions.

They aren't needed, we only store accounts in karaage.

Change-Id: I9e67ac9e9094f9f1e894537a0448a6622fbc64ec