#6639: Switch action to use batch processing.
#6639: Make changes to assign taxonomy to support batch.
Merge pull request #6643 from openscholar/6639-bulk_update_batch

Switch action to use batch processing.
Update Drupal Core to https://www.drupal.org/drupal-7.32-release-notes
Merge pull request #6687 from openscholar/6686

Update Drupal Core to https://www.drupal.org/drupal-7.32-release-notes
Merge branch 'SCHOLAR-3.16' into SCHOLAR-3.x
Merge branch 'SCHOLAR-3.x' of github.com:openscholar/openscholar into SCHOLAR-3.x
Merge branch 'SCHOLAR-3.x' of github.com:openscholar/openscholar into SCHOLAR-3.x