Author: Ankit Kumar Agarwal
MDL-29420 Global Search Fixing string issue
http://git.moodle.org/gw?p=moodle.git;a=commit;h=43b5e6bf5716f64074d2a804a4ccb4b1309cbaa8
http://github.com/moodle/moodle/commit/43b5e6bf5716f64074d2a804a4ccb4b1309cbaa8
+ 2.1 en [whichmodulestosearch,core_search]