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.