feat: add support for node 6

.travis.yml

@@ -3,8 +3,9 @@ language: node_js
 node_js:
   - "0.10"
   - "0.12"
-  - "4"
-  - "5"
+  - 4
+  - 5
+  - 6
 
 env:
   global:

appveyor.yml

@@ -5,6 +5,7 @@ environment:
     - nodejs_version: "0.12"
     - nodejs_version: "4"
     - nodejs_version: "5"
+    - nodejs_version: "6"
 
 matrix:
   fast_finish: true

docs/intro/01-installation.md

@@ -5,7 +5,7 @@ Karma runs on [Node.js] and is available as an [NPM] package.
 On Mac or Linux we recommend using [NVM](https://github.com/creationix/nvm). On Windows, download Node.js
 from [the official site](https://nodejs.org/) or use the [NVM PowerShell Module](https://www.powershellgallery.com/packages/nvm).
 
-Note: Karma currently works on Node.js **0.10**, **0.12.x**, **4.x**, and **5.x**. See [FAQ] for more info.
+Note: Karma currently works on Node.js **0.10**, **0.12.x**, **4.x**, **5.x**, and **6.x**. See [FAQ] for more info.
 
 ## Installing Karma and plugins
 

docs/intro/04-faq.md

@@ -25,7 +25,7 @@ The latest stable version from NPM (`npm install karma`). See [versioning] for m
 
 
 ### Which version of Node.js does Karma run with?
-Karma works on all LTS versions node in active maintenance state (see [LTS docs](https://github.com/nodejs/LTS/blob/master/README.md) for more info) as well as the latest stable version. That is **0.12.x**, **4.x** and **5.x** at this point. Additionally, Node **0.10** is currently supported.
+Karma works on all LTS versions node in active maintenance state (see [LTS docs](https://github.com/nodejs/LTS/blob/master/README.md) for more info) as well as the latest stable version. That is **0.12.x**, **4.x**, **5.x** and **6.x** at this point. Additionally, Node **0.10** is currently supported.
 
 
 [mailing list]: https://groups.google.com/d/forum/karma-users

package.json

@@ -357,7 +357,7 @@
     "karma": "./bin/karma"
   },
   "engines": {
-    "node": "0.10 || 0.12 || 4 || 5"
+    "node": "0.10 || 0.12 || 4 || 5 || 6"
   },
   "version": "0.13.22",
   "license": "MIT",