Author: Tim Hunt
MDL-44054 quiz_statistics fix lang string concatenation.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=a1d932bd8211ec1309703b15f338511afd954617
http://github.com/moodle/moodle/commit/a1d932bd8211ec1309703b15f338511afd954617
+ 2.7 en [analysisnameonly,quiz_statistics]
+ 2.7 en [analysisno,quiz_statistics]
+ 2.7 en [analysisnovariant,quiz_statistics]
+ 2.7 en [analysisofresponsesfor,quiz_statistics]
+ 2.7 en [analysisvariant,quiz_statistics]
- 2.7 en [variantno,quiz_statistics]