Add fix fo openssl, CVE-2013-4073.

Bump PKGREVISION.
Note update of lang/php53, lang/php54 and lang/php55.

	lang/php53	5.3.27nb2
	lang/php54	5.4.17nb2
	lang/php55	5.5.1nb1
+ nullmailer-1.13.
Apply patch from Onno van der Linden to try fixing PR 48116.