http://www.microsoftvirtualacademy.com/training-courses/using-git-with-visual-studio-2013-jump-start
https://git-scm.com/book/ko/v1/Git%EB%A7%9E%EC%B6%A4-Git-Attribute
https://stackoverflow.com/questions/6217156/break-a-previous-commit-into-multiple-commits
git flow
http://danielkummer.github.io/git-flow-cheatsheet/index.ko_KR.html
github
https://help.github.com/articles/checking-out-pull-requests-locally/