fix(package): update react-bootstrap to version 0.32.4

Closes #3

Author: greenkeeper[bot]

package.json

@@ -12,7 +12,7 @@
     "isomorphic-unfetch": "2.0.0",
     "next": "4.2.1",
     "react": "16.2.0",
-    "react-bootstrap": "0.31.5",
+    "react-bootstrap": "0.32.4",
     "react-dom": "16.2.0",
     "react-infinite-scroller": "1.1.2",
     "react-scroll-up": "1.3.3",