code review changes and add code for braking cantalons
authorCindy Zhang <cindyzyx9@gmail.com>
Sat, 25 Feb 2017 18:45:05 +0000 (10:45 -0800)
committerCindy Zhang <cindyzyx9@gmail.com>
Sat, 25 Feb 2017 18:45:05 +0000 (10:45 -0800)

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