MDL-19950 - adding question format (qformat_) language plugin type

lib/moodlelib.php

@@ -5233,6 +5233,7 @@ function places_to_search_for_lang_strings() {
         'gradereport_' => array('grade/report'),
         'gradeimport_' => array('grade/import'),
         'gradeexport_' => array('grade/export'),
+        'qformat_' => array('question/format'),
         'profilefield_' => array('user/profile/field'),
         '' => array('mod')
     );

lib/questionlib.php

@@ -2080,7 +2080,10 @@ function get_import_export_formats( $type ) {
         if ($provided) {
             $formatname = get_string($fileformat, 'quiz');
             if ($formatname == "[[$fileformat]]") {
-                $formatname = $fileformat;  // Just use the raw folder name
+                $formatname = get_string($fileformat, 'qformat_'.$fileformat);
+                if ($formatname == "[[$fileformat]]") {
+                    $formatname = $fileformat;  // Just use the raw folder name
+                }
             }
             $fileformatnames[$fileformat] = $formatname;
         }