Author: Dmitrii Metelkin
MDL-60913 search: add search area categories
http://git.moodle.org/gw?p=moodle.git;a=commit;h=e9074ee381d0049a1d6f2bf7f34b0b9223eddf4d
http://github.com/moodle/moodle/commit/e9074ee381d0049a1d6f2bf7f34b0b9223eddf4d
+ 3.7 en [searchdisplay,core_admin]
+ 3.7 en [searchenablecategories,core_admin]
+ 3.7 en [searchenablecategories_desc,core_admin]
+ 3.7 en [searchhideallcategory,core_admin]
+ 3.7 en [searchhideallcategory_desc,core_admin]
+ 3.7 en [searchdefaultcategory,core_admin]
+ 3.7 en [searchdefaultcategory_desc,core_admin]
+ 3.7 en [core-all,core_search]
+ 3.7 en [core-course-content,core_search]
+ 3.7 en [core-courses,core_search]
+ 3.7 en [core-users,core_search]
+ 3.7 en [core-other,core_search]
+ 3.7 en [searchareacategories,core_search]