Luggage_isu 3.4.2-4.7 Released

Merged with upstream Luggage 3.4.2
Drupal 7.52
https://www.drupal.org/SA-CORE-2016-005

https://github.com/isubit/luggage_isu/releases/tag/4.7

This release skips the Drupal 7.51 release.