Fixes Camtasia Relay - Moderately Critical - Cross Site Scripting (XSS) - SA-CONTRIB-2015-100
See Keyword Research - Moderately Critical - Cross Site Request Forgery (CSRF) - DRUPAL-SA-CONTRIB-2015-098
Changes since 7.x-2.9:
See Invoice - Moderately Critical - Multiple vulnerabilities - SA-CONTRIB-2015-085