travis: add [path] to php-cs-fixer
travis: add [path] to php-cs-fixer

ryota-murakami/tweet-pick,ryota-murakami/daily-tweet,ryota-murakami/daily-tweet,ryota-murakami/tweet-pick,ryota-murakami/daily-tweet,ryota-murakami/tweet-pick,ryota-murakami/daily-tweet