Merge pull request kunalkapadia#312 from KunalKapadia/develop

Update eslint, node versions and README

Author: kunalkapadia

.travis.yml

@@ -1,8 +1,8 @@
 language: node_js
 node_js:
-  - "4.7"
-  - "6.9"
-  - "7.5"
+  - "4.8"
+  - "6.10"
+  - "7.6"
 services:
   - mongodb
 cache:

README.md

@@ -56,6 +56,11 @@ Install dependencies:
 yarn
 ```
 
+Set environment (vars):
+```sh
+cp .env.example .env
+```
+
 Start server:
 ```sh
 # Start server

package.json

@@ -6,9 +6,9 @@
   "main": "index.js",
   "private": false,
   "engines": {
-    "node": ">=4.6.0",
-    "npm": ">=2.15.9",
-    "yarn": ">=0.20.0"
+    "node": ">=4.8.0",
+    "npm": ">=2.15.11",
+    "yarn": ">=0.20.3"
   },
   "scripts": {
     "start": "gulp serve",
@@ -73,7 +73,7 @@
     "cross-env": "3.1.3",
     "cz-conventional-changelog": "1.2.0",
     "del": "^2.2.0",
-    "eslint": "3.12.0",
+    "eslint": "3.16.0",
     "eslint-config-airbnb-base": "7.1.0",
     "eslint-plugin-import": "1.16.0",
     "eslint-watch": "2.1.14",