Update cividiscount
drupal - Apply SA-CORE-2014-005

https://www.drupal.org/SA-CORE-2014-005
https://www.drupal.org/files/issues/SA-CORE-2014-005-D7.patch
tag.sh - Add helper for generating date-based tags
Merge branch 'master' of https://github.com/civicrm/civicrm-website-org