oleg/vuex @ v3.1.2

réplica de https://github.com/vuejs/vuex.git

Evan You cff54fc846 change: Vuex -> Vuex.Store, async action format		%!s(int64=9) %!d(string=hai) anos
..
index.js	cff54fc846 change: Vuex -> Vuex.Store, async action format	%!s(int64=9) %!d(string=hai) anos
mock-data.js	93542a58cc wip chat example	%!s(int64=9) %!d(string=hai) anos