Author: Frederic Massart
MDL-27083 Questions: Orphaned questions are adopted on upgrade
http://git.moodle.org/gw?p=moodle.git;a=commit;h=67e3dd2c954aa86544055506f14361957a2272db
http://github.com/moodle/moodle/commit/67e3dd2c954aa86544055506f14361957a2272db
+ 2.4 en [orphanedquestionscategory,core_question]
+ 2.4 en [orphanedquestionscategoryinfo,core_question]