Fix node versions and CI

.travis.yml

@@ -1,7 +1,6 @@
 sudo: false
 language: node_js
 node_js:
-  - '5'
+  - '8'
+  - '6'
   - '4'
-  - '0.12'
-  - '0.10'

CHANGELOG.md

@@ -2,6 +2,7 @@
   - date: 2018-08-15
   - changes:
     - Switch to 'liftoff' module for CLI
+    - Dropped support for node 0.10, 0.12.
 - v1.2.0
   - date: 2016-04-01
   - changes:

appveyor.yml

@@ -7,24 +7,17 @@ version: "{build}"
 # What combinations to test
 environment:
   matrix:
-    - nodejs_version: "0.10"
+    - nodejs_version: "4"
       platform: x86
-    - nodejs_version: "0.12"
+    - nodejs_version: "6"
       platform: x86
-    - nodejs_version: "4"
+    - nodejs_version: "6"
       platform: x64
-    - nodejs_version: "4"
-      platform: x86
-    - nodejs_version: "5"
+    - nodejs_version: "8"
       platform: x86
 
 install:
   - ps: Install-Product node $env:nodejs_version $env:platform
-  - ps: >-
-      if ($env:nodejs_version -eq "0.10") {
-        npm -g install npm@3
-        $env:PATH="$env:APPDATA\npm;$env:PATH"
-      }
   - npm install
 
 test_script:

package.json

@@ -6,7 +6,7 @@
   "repository": "gruntjs/grunt-cli",
   "license": "MIT",
   "engines": {
-    "node": ">=0.10.0"
+    "node": ">=4"
   },
   "scripts": {
     "test": "node bin/grunt test"