Update smsru.php

Добавлено исходное состояние для $translit
https://github.com/zelenin/sms_ru/issues/4
Update readme.md

Косметические изменения
Update readme.md
Merge pull request #1 from zelenin/master

Merge pull request #3 from cjmaxik/master
Merge pull request #5 from cjmaxik/master

Update smsru.php