Merge #24

24: Update dependency classnames to v2.2.6 r=renovate[bot] a=renovate[bot]

This Pull Request updates dependency [classnames](https://github.com/JedWatson/classnames) from `v2.2.5` to `v2.2.6`



<details>
<summary>Release Notes</summary>

### [`v2.2.6`](https://github.com/JedWatson/classnames/blob/master/CHANGELOG.md#v226--2018-06-08)
[Compare Source](JedWatson/classnames@v2.2.5...34a05a5)
* Fixed compatibility issue with usage in an es module environment

---

</details>




---

This PR has been generated by [Renovate Bot](https://renovatebot.com).

Co-authored-by: Renovate Bot <bot@renovateapp.com>

package.json

@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "private": true,
   "dependencies": {
-    "classnames": "2.2.5",
+    "classnames": "2.2.6",
     "react": "16.4.0",
     "react-dom": "16.4.0",
     "react-scripts": "1.1.4"

yarn.lock

@@ -1393,9 +1393,9 @@ clap@^1.0.9:
   dependencies:
     chalk "^1.1.3"
 
-classnames@2.2.5:
-  version "2.2.5"
-  resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.2.5.tgz#fb3801d453467649ef3603c7d61a02bd129bde6d"
+classnames@2.2.6:
+  version "2.2.6"
+  resolved "https://registry.yarnpkg.com/classnames/-/classnames-2.2.6.tgz#43935bffdd291f326dad0a205309b38d00f650ce"
 
 clean-css@4.1.x:
   version "4.1.9"