Fixed reavlidate_path=1 behavior to avoid caching of symlinks values.
Merge branch 'PHP-5.5' into PHP-5.6

* PHP-5.5:
  Fixed reavlidate_path=1 behavior to avoid caching of symlinks values.

Conflicts:
	NEWS
Merge branch 'PHP-5.6'

* PHP-5.6:
  Fixed reavlidate_path=1 behavior to avoid caching of symlinks values.