Calls refactoring: Removed field* files and added new field_file and taxonomy 'Attachment file type'
Calls refactoring: Updated file widget to replace input text with html select
Calls refactoring: Updated calls display formatter to show taxonomy term written in description field
Calls refactoring: Fixed label for the input
Calls refactoring: Fixed the migration to upload the files
Calls refactoring: Fixed the field_file location of documents on disk
Calls refactoring: Restored old mapping style for field_file