Russian and Ukrainian Text providers

Used text from http://ru.wikisource.org under CC licence. [source1](http://ru.wikisource.org/wiki/%D0%9C%D1%91%D1%80%D1%82%D0%B2%D1%8B%D0%B5_%D0%B4%D1%83%D1%88%D0%B8_(%D0%93%D0%BE%D0%B3%D0%BE%D0%BB%D1%8C)/%D0%A2%D0%BE%D0%BC_I/%D0%93%D0%BB%D0%B0%D0%B2%D0%B0_I), [source2](http://uk.wikisource.org/wiki/%D0%97%D0%B0%D1%85%D0%B0%D1%80_%D0%91%D0%B5%D1%80%D0%BA%D1%83%D1%82)