Set path prefix as env var when building an artefact
Clear output folder before generating artefact

This is to avoid including files left from previous builds
Add trailing slash to path prefix if needed
Extract google analytics to a partial
Extract google account to a variable
Extract google analytics domain

Also change it to gov.uk
Quote variables, so it actually works
Merge pull request #34 from alphagov/generate-artefact-with-path-prefix

Generate artefact with path prefix
Merge pull request #36 from alphagov/add-google-analytics

Add google analytics
Rename as_absolute_path to as_absolute_url
Fix tests
Merge branch 'master' into rename-as-absolute-path

Conflicts:
	templates/base.html
Add department title in abbr tag to high vol page
Merge pull request #38 from alphagov/rename-as-absolute-path

Rename as_absolute_path to as_absolute_url
Merge pull request #40 from alphagov/high-volume-dept-tooltip

Add department title in abbr tag to high volume page
Merge branch 'master' into fix-volume-magnitude

Conflicts:
	test/filters/test_filters.py