changes user level for rename/delete media files to operator / backup and OMR to admin

admin/config.default/tce_auth.php

@@ -154,12 +154,12 @@ define ('K_AUTH_ADMIN_IMPORT', K_AUTH_OPERATOR);
 /**
  * Required user's level to import OMR answers.
  */
-define ('K_AUTH_ADMIN_OMR_IMPORT', K_AUTH_OPERATOR);
+define ('K_AUTH_ADMIN_OMR_IMPORT', K_AUTH_ADMINISTRATOR);
 
 /**
- * Required user's level to import questions.
+ * Required user's level to backup and restore the database
  */
-define ('K_AUTH_BACKUP', K_AUTH_OPERATOR);
+define ('K_AUTH_BACKUP', K_AUTH_ADMINISTRATOR);
 
 /**
  * Required user's level to access file manager for multimedia files.
@@ -174,12 +174,12 @@ define ('K_AUTH_ADMIN_DIRS', K_AUTH_ADMINISTRATOR);
 /**
  * Required user's level to delete multimedia files.
  */
-define ('K_AUTH_DELETE_MEDIAFILE', K_AUTH_ADMINISTRATOR);
+define ('K_AUTH_DELETE_MEDIAFILE', K_AUTH_OPERATOR);
 
 /**
  * Required user's level to rename multimedia files.
  */
-define ('K_AUTH_RENAME_MEDIAFILE', K_AUTH_ADMINISTRATOR);
+define ('K_AUTH_RENAME_MEDIAFILE', K_AUTH_OPERATOR);
 
 /**
  * Required user's level to edit SSL certificates.