Author: Conn Warwicker
MDL-84191 qbank_viewquestiontext: Add filter for question text.
This covers both question text and general feedback text.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=86d37cd4766743235f07cb53468c03495e1a4d1b
http://github.com/moodle/moodle/commit/86d37cd4766743235f07cb53468c03495e1a4d1b
+ 5.0 en [questiontext_condition,qbank_viewquestiontext]