chore(package): update babel-preset-es2015 to version 6.16.0 (#678)
chore(package): update babel-preset-es2015 to version 6.16.0 (#678)

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lidawang/react-server,emecell/react-server,davidalber/react-server,szhou8813/react-server,redfin/react-server,szhou8813/react-server,davidalber/react-server,redfin/react-server,doug-wade/react-server,emecell/react-server,doug-wade/react-server,lidawang/react-server