chore: Upgrade Babel, Jest, Eslint (#1437)

* chore: Upgrade Prettier 1.8 -> 2.0

* chore: Upgrade Babel 6 -> 7

* chore: Upgrade eslint plugins

* chore: Add eslint import/order rules

* chore: Update flow-typed deps

app/stores/ViewsStore.js

@@ -1,8 +1,8 @@
 // @flow
 import { reduce, filter, find, orderBy } from "lodash";
+import View from "models/View";
 import BaseStore from "./BaseStore";
 import RootStore from "./RootStore";
-import View from "models/View";
 
 export default class ViewsStore extends BaseStore<View> {
   actions = ["list", "create"];