fix detection, print 'no' as bp specs
fix detection, print 'no' as bp specs

cachethq/cachet-buildpack,Scalingo/php-buildpack,ryosuzuki/php-buildpack,Scalingo/php-buildpack,Jonatasmz/php-buildpack,Scalingo/php-buildpack,Jonatasmz/php-buildpack,ryosuzuki/php-buildpack