Ignore artefacts directory
Add script to build a zip of the site

Puts the artefact in the artefacts directory.
Failing test default arguments

Client secrets and OAuth token should still be under the data directory,
by default.
Parse arguments, but provide default values
Test for parsing argument parameters
Parametrize google secret and token locations
Update with fetch parameters
Parametrize fetching with secrets and oauth token
Merge pull request #12 from alphagov/google-auth-params

Parametrize location of google secrets and token files
Add build timestamp to artifact
Merge pull request #13 from alphagov/add-build-artefact

Add build artefact
Extract module for template rendering
Use tar to build artefact rather than zip

It's available by default on all the machines.
Merge pull request #14 from alphagov/create-templates-module

Extract module for template rendering
Merge branch 'master' into csv_data

Conflicts:
	create_pages.py