Merge pull request #22 from ajstanley/7.x

Redefined predicates, added DS test
Using standard README.txt template
Removed references to old .inc files, included classes in .info
Follow Drupal Coding Standards for islandora_scholar

Also changed the upload form to use a managed_file, rather than just a file as
it reduced the required code, and it is more consistant with the other forms
islandora presents.

Coding Standards have not yet been applied to the sub modules.
Altered islandora_scholar_add_usage_and_version_elements_to_mods()

Now deletes all occurances of usage/version elements regardless of
location within the document.
islandora_purge_datastream() is no longer available use $object->purgeDatastream

Also catch any exceptions and display them to the user when purging the PDF
datastream.
Added description to admin menu path, removed extra periods.
Applied coding standards to the Bibliography Module.

 * info file no longer refers to csl.inc in the csl module.
 * Moved module from 'Islandora Tools' group to 'Islandora' group.
 * Made css files follow naming conventions.
 * README file now follows the template.
Bibutils now supports Drupal coding standards.

Fixed some small issues with the RIS class generating warnings as
well.
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.