Bump to node 8

.eslintrc.json

@@ -1,7 +1,7 @@
 {
   "extends": "eslint:recommended",
   "parserOptions": {
-    "ecmaVersion": 6
+    "ecmaVersion": 2017
   },
   "env": {
     "es6": true,

.travis.yml

@@ -2,6 +2,7 @@ language: node_js
 node_js:
   - "6"
   - "7"
+  - "8"
 cache:
   directories:
     - node_modules

README.md

@@ -26,7 +26,7 @@ discord.js is a powerful [node.js](https://nodejs.org) module that allows you to
 - 100% coverage of the Discord API
 
 ## Installation
-**Node.js 6.0.0 or newer is required.**  
+**Node.js 8.0.0 or newer is required.**  
 Ignore any warnings about unmet peer dependencies, as they're all optional.
 
 Without voice support: `npm install discord.js --save`  

docs/general/faq.md

@@ -4,7 +4,7 @@ If you have issues not listed here, please ask in the [official Discord server](
 Always make sure to read the documentation.
 
 ## No matter what, I get `SyntaxError: Block-scoped declarations (let, const, function, class) not yet supported outside strict mode`‽
-Update to Node.js 6.0.0 or newer.
+Update to Node.js 8.0.0 or newer.
 
 ## How do I get voice working?
 - Install FFMPEG.

docs/general/welcome.md

@@ -17,8 +17,7 @@
 </div>
 
 # Welcome!
-Welcome to the discord.js v11.1.0 documentation.
+Welcome to the discord.js v12.0.0 documentation.
-v11.1.0 features improved voice and gateway stability, as well as support for new features such as audit logs and searching for messages.
 
 ## About
 discord.js is a powerful [node.js](https://nodejs.org) module that allows you to interact with the
@@ -30,7 +29,7 @@ discord.js is a powerful [node.js](https://nodejs.org) module that allows you to
 - 100% coverage of the Discord API
 
 ## Installation
-**Node.js 6.0.0 or newer is required.**  
+**Node.js 8.0.0 or newer is required.**  
 Ignore any warnings about unmet peer dependencies, as they're all optional.
 
 Without voice support: `npm install discord.js --save`