client/mysqltest.c:
  --replace_result can now use variables
mysql-test/r/rpl000014.result:
  Fix to use new replace
mysql-test/r/rpl000015.result:
  Fix to use new replace
mysql-test/r/rpl000016.result:
  Fix to use new replace
mysql-test/r/rpl_log.result:
  Fix to use new replace
mysql-test/t/join.test:
  Fix to use new replace
mysql-test/t/rpl000014.test:
  Fix to use new replace
mysql-test/t/rpl000015.test:
  Fix to use new replace
mysql-test/t/rpl000016.test:
  Fix to use new replace
mysql-test/t/rpl_log.test:
  Fix to use new replace
readline/rltty.c:
  Add missing function