Controller method to handle mapping form

Which will start the validation and insert etc.

Signed-off-by: Tim Smart <tim@fostle.com>
Update mapper-form.php

And add scripts / styles to make it function.

Signed-off-by: Tim Smart <tim@fostle.com>
Some fields we don't want to set

Via this plugin

Signed-off-by: Tim Smart <tim@fostle.com>
Add CsvafModel::Gettimezone

For getting the wordpress timezone settings

Signed-off-by: Tim Smart <tim@fostle.com>
format{in|out} and default for field arrays

Which we need for the other functionality to work.

Signed-off-by: Tim Smart <tim@fostle.com>
Add CsvafModel::Createinsertquery

For verification of spreadsheet data, and making the fields to query for
unique-ness and eventually insert.

Signed-off-by: Tim Smart <tim@fostle.com>
Stub out unique-ness model methods

And call in controller

Signed-off-by: Tim Smart <tim@fostle.com>