update react and react-dom to 15.6.1

Author: KleoPetroff

README.md

@@ -4,7 +4,7 @@
 
 Simple and optimized React boilerplate. It includes: 
 
-- [x] React 15.6.0
+- [x] React 15.6.1
 - [x] ECMAScript 6 and JSX support
 - [x] React Router v4
 - [x] Component testing using [Enzyme](https://github.com/airbnb/enzyme)

package.json

@@ -15,11 +15,11 @@
   "author": "Kliment Petrov <[email protected]>",
   "license": "MIT",
   "dependencies": {
-    "cross-env": "5.0.1",
-    "react": "15.6.0",
-    "react-dom": "15.6.0",
-    "react-hot-loader": "3.0.0-beta.6",
-    "react-router-dom": "4.1.1"
+    "cross-env": "^5.0.1",
+    "react": "^15.6.1",
+    "react-dom": "^15.6.1",
+    "react-hot-loader": "^3.0.0-beta.6",
+    "react-router-dom": "^4.1.1"
   },
   "devDependencies": {
     "babel-cli": "6.24.1",