More error detection in backup script.
Fixed translation build bug.
Some small changes to settings.
Implemented rollback task.
Merge branch 'develop' into feature/comic_description
Initial migrations for comics.
Support deploy hooks and implement one for migration of comics.
Minor tidy up of copyhvadfilefield JS.
Adding model for intro to comics.
Added ComicIntro to admin.
Added rendering of intro.
Fixed bug in deploy script.
Made deploy hooks testable.
Always build static on deploy.
Management command for resetting database (drop all tables).
Reset test db before importing on deploy.
Merge branch 'feature/comic_description' into develop
Updated readme.