formatting README.md chunk codes with Google's R Style Guide#54

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MarcinKosinski wants to merge 3 commits intoal2na:masterfrom MarcinKosinski:master

+189-162

Commits on Oct 31, 2016

Merge pull request #1 from al2na/master
MarcinKosinski
authored
formatting README.md chunk codes with Google's R Style Guide
MarcinKosinski
committed
google code formatting for the vignette and extending knitr options (like width of the vignette)
MarcinKosinski
committed