Added script to create admin user ext.

cmsWebApp/webroot/extensions/performa/upgrades/20170829_AdminUser.xml

+<?xml version="1.0" encoding="UTF-8"?>
+    <!-- @AutoRun -->
+
+<OBJECTS name="" xmlns:oneit="http://www.1iT.com.au">
+    <NODE name="Script" factory="Vector">
+        <NODE name="DDL" factory="Participant" class="oneit.sql.transfer.RedefineTableOperation">
+            <tableName factory="String">oneit_sec_user_extension</tableName>
+            <column name="forgot_password_mail_send_date" type="Date" nullable="true"/>
+            <column name="forgot_password_key" type="String" nullable="true" length="10"/>
+        </NODE>
+    </NODE>
+</OBJECTS>
\ No newline at end of file