Add nginx 1.14.0, remove nginx 1.12.2
Add nginx 1.14.0, remove nginx 1.12.2

source url: http://nginx.org/download/nginx-1.14.0.tar.gz
source gpg-signature:
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[#156851318]
[#156851407]

cf-identity/php-buildpack,cloudfoundry/php-buildpack,cf-identity/php-buildpack,cloudfoundry/php-buildpack,cf-identity/php-buildpack,cf-identity/php-buildpack,cloudfoundry/php-buildpack,cf-identity/php-buildpack,cloudfoundry/php-buildpack,cloudfoundry/php-buildpack,cloudfoundry/php-buildpack,cf-identity/php-buildpack,cloudfoundry/php-buildpack,cf-identity/php-buildpack