Add nginx 1.13.5, remove nginx 1.13.5
Add nginx 1.13.5, remove nginx 1.13.5

source url: http://nginx.org/download/nginx-1.13.5.tar.gz
source gpg-signature:
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cloudfoundry/php-buildpack,Orange-OpenSource/cf-php-build-pack,cloudfoundry/php-buildpack,Orange-OpenSource/cf-php-build-pack,cloudfoundry/php-buildpack,cloudfoundry/php-buildpack,cf-identity/php-buildpack,cf-identity/php-buildpack,cloudfoundry/php-buildpack,cf-identity/php-buildpack,cf-identity/php-buildpack,cloudfoundry/php-buildpack,Orange-OpenSource/cf-php-build-pack,cf-identity/php-buildpack,cf-identity/php-buildpack,cf-identity/php-buildpack,cloudfoundry/php-buildpack