Author: Tim Hunt
MDL-44054 quiz_statistics fix lang string concatenation.
http://git.moodle.org/gw?p=moodle.git;a=commit;h=7076b309727b145863f5039d9a97ecf00f91b2c5
http://github.com/moodle/moodle/commit/7076b309727b145863f5039d9a97ecf00f91b2c5
+ 2.8 en [analysisnameonly,quiz_statistics]
+ 2.8 en [analysisno,quiz_statistics]
+ 2.8 en [analysisnovariant,quiz_statistics]
+ 2.8 en [analysisofresponsesfor,quiz_statistics]
+ 2.8 en [analysisvariant,quiz_statistics]
- 2.8 en [variantno,quiz_statistics]