Migrate to react-waypoint v9

React Waypoint has been updated to major version 9 (1) that comes with
improvements in library size and minifications in form of named exports
for the `Waypoint` module as well as for all defined constants.

References:
  (1) https://github.com/brigade/react-waypoint/releases/tag/v9.0.0

GH-137

src/components/organisms/page/landing/SectionCommunity/SectionCommunity.jsx

@@ -8,7 +8,7 @@
  */
 
 import React, { PureComponent } from "react";
-import Waypoint from "react-waypoint";
+import { Waypoint } from "react-waypoint";
 import ArcticOceanFractal, { POSE_HIDE, POSE_SHOW } from "arctic-ocean-fractal";
 
 import { WaveFooter } from "atoms/core/vectors/divider";

src/components/organisms/page/landing/SectionHero/SectionHero.jsx

@@ -8,7 +8,7 @@
  */
 
 import React, { PureComponent } from "react";
-import Waypoint from "react-waypoint";
+import { Waypoint } from "react-waypoint";
 import ArcticLandscape, { POSE_DRAW, POSE_ERASE } from "arctic-landscape";
 
 import { Content } from "containers/core/Section";

src/components/organisms/page/landing/SectionSyntax/SectionSyntax.jsx

@@ -8,7 +8,7 @@
  */
 
 import React, { PureComponent } from "react";
-import Waypoint from "react-waypoint";
+import { Waypoint } from "react-waypoint";
 
 import Button from "atoms/core/Button";
 import { Content } from "containers/core/Section";