Drop node.js v6 and v7 & Upgrade dependencies & Bump version

Author: wellyshen

.travis.yml

@@ -1,8 +1,6 @@
 language: node_js
 
 node_js:
-  - "6"
-  - "7"
   - "8"
   - "9"
   - "10"

README.md

@@ -70,8 +70,8 @@ This starter is for those who with basic knowledge of React and have the need fo
 
 ## Requirements
 
-- [node](https://nodejs.org/en/) >= 6.0
-- [npm](https://www.npmjs.com/) >= 3.0
+- [node](https://nodejs.org/en/) >= 8.0
+- [npm](https://www.npmjs.com/) >= 5.0
 
 ## Getting Started
 

package.json

@@ -1,11 +1,11 @@
 {
   "name": "react-cool-starter",
-  "version": "2.5.0",
+  "version": "2.5.1",
   "description": "A starter boilerplate for an universal web application with the best development experience and best practices.",
   "main": "index.js",
   "engines": {
-    "node": ">=6.0",
-    "npm": ">=3.0"
+    "node": ">=8",
+    "npm": ">=5"
   },
   "repository": {
     "type": "git",
@@ -345,9 +345,9 @@
     "jest": "^23.4.1",
     "mini-css-extract-plugin": "^0.4.1",
     "nock": "^9.4.2",
-    "nodemon": "^1.18.1",
+    "nodemon": "^1.18.2",
     "npm-run-all": "^4.1.3",
-    "optimize-css-assets-webpack-plugin": "^4.0.3",
+    "optimize-css-assets-webpack-plugin": "^5.0.0",
     "postcss": "^6.0.23",
     "postcss-loader": "^2.1.6",
     "prettier": "^1.13.7",