Deal with the need for a pre- and post-survey for each 5000 student tranche (3 X)

[nfreear]

Files affected — backend:

• db/install.xml
• db/upgrade.php — add,
• db/User.php — User::InsertFromCsv()
• version.php,

Files affected — frontend:

• user/ajax.php
• user/ouop-local-fixes.js
• .. debugging, eg. User::getDummyUser(),

Files affected — parent project/repo.:

• config-TEMPLATE.php

..