switch strategies from Decorator to BasicPage

since under the old strategy Array === Folio::Page::DecoratedArray.new
was false, which messes up a bunch of things that expect the page they
get to look like an Array

Change-Id: I89320a9129c6d4f75acb67b89e7c2c81d4e96b36
bump version

(had added this to the BasicPage commit but forgot to push it)

Change-Id: If56174dd89bf245a36d7f12a979b4d362d3adfa8