Specify AttachmentPresenter location
Specify AttachmentPresenter location

Now needed since the latest version of Govspeak also contains an
AttachmentPresenter class.

Also made the quotes consistent.

alphagov/specialist-publisher-rebuild,alphagov/specialist-publisher-rebuild,alphagov/specialist-publisher-rebuild,alphagov/specialist-publisher-rebuild,alphagov/specialist-publisher,alphagov/specialist-publisher,alphagov/specialist-publisher