Fixed bug #68331 - This was partial patch for https://wiki.php.net/rfc/session-lock-ini
Merge branch 'PHP-5.6'

* PHP-5.6:
  Fixed bug #68331 - This was partial patch for https://wiki.php.net/rfc/session-lock-ini
  Fixed 2 tests that expects bool retrun value from save handler.

Conflicts:
	ext/session/session.c