Merge pull request #59 from alphagov/url_filters

Url filters
Migrate raw_urls
Migrate raw_query_parts
Migrate raw_imported_files
Migrate raw_failed_urls
Add a README for Raw
Rake tasks to wipe/re-import raw Wayback URLs for analysis
Add extension parsing
Basic ad-hoc reporting queries
Deal with the madder extension types
Get optic14n to use a non-SSH URL to avoid problems with Travis
Spec the right thing in the right place
Fix badly-encoded paths when extracting extensions
Merge pull request #60 from alphagov/raw_urls

Add the `Raw` namespace for analysing our URL set
Merge pull request #61 from alphagov/add_manual_urls

Add manual urls page which enables mappings to be added and updated
Merge pull request #63 from alphagov/add_manual_urls

Add filtering by url string
Merge branch 'master' of github.com:alphagov/transition into add_ordering_to_content_types

Conflicts:
	db/schema.rb