Original translation by Artod, http://www.nodebeginner.ru/ , 2013-03-23
Merge https://github.com/spmbt/NodeBeginnerBook
Original translation by Artod, http://www.nodebeginner.ru/ , 2013-03-23
Corrections (grammar, styles) by spnbt, 2013-03-24
Merge pull request #31 from spmbt/master

Ru-translation by Artod and grammar+css correction by spmbt