Applied Drupal Coding Standards to citeproc module.
Applied coding standards to CSL module.
Applied coding standards to Citation Exporter module.
Applied coding standards to scholar embargo module.
Updated all the importer modules to follow Drupal Coding standards.
Handle when "Content-Type" is lower case.
Use the "temporary://" stream wrapper as "temp://" is not defined.
Unlink the files by name, file_delete() expects file objects.
Handle notice when the given object's MODS does not contain an ISSN.
Added DS-COMPOSITE-MODEL
Use a hook for getting the user to notify.

It was half implemented and the POLICY datastream wasn't getting
updated correctly as a consequence.