Removed hardcoded string 'course grades category'

lang/en_utf8/grades.php

@@ -90,6 +90,7 @@ $string['configshowuserimage'] = 'Whether to show the user\'s profile image next
 $string['configstudentsperpage'] = 'The number of students to display per page in the grader report.';
 $string['configstudentsperpagedefault'] = 'The number of students to display per page in the grader report. Leave this field empty to use the site default (currently $a).';
 $string['contract'] = 'Contract Category';
+$string['coursegradecategory'] = 'Course grade category';
 $string['coursename'] = 'Course name';
 $string['coursetotal'] = 'Course total';
 $string['createcategory'] = 'Create Category';

lib/db/upgradelib.php

@@ -39,7 +39,7 @@ function upgrade_18_gradebook($courseid) {
     // create course category
     $course_category = new object();
     $course_category->courseid     = $courseid;
-    $course_category->fullname     = 'course grade category';
+    $course_category->fullname     = get_string('coursegradecategory', 'grades');
     $course_category->parent       = null;
     $course_category->aggregation  = GRADE_AGGREGATE_MEAN_ALL;
     $course_category->timemodified = $course_category->timecreated = time();

lib/grade/grade_category.php

@@ -284,7 +284,7 @@ class grade_category extends grade_object {
      */
     function insert_course_category($courseid) {
         $this->courseid  = $courseid;
-        $this->fullname  = 'course grade category';
+        $this->fullname  = get_string('coursegradecategory', 'grades');
         $this->path      = null;
         $this->parent    = null;
         $this->aggregate = GRADE_AGGREGATE_MEAN_ALL;