Enable zend.multibyte tests. Tipcal configuration works, but most tests fail.
Merge branch 'PHP-5.4' into PHP-5.5

* PHP-5.4:
  Enable zend.multibyte tests. Tipcal configuration works, but most tests fail.
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  Enable zend.multibyte tests. Tipcal configuration works, but most tests fail.