ci: drop Node v0.12 and add v7

.travis.yml

@@ -1,8 +1,8 @@
 language: node_js
 node_js:
-  - "0.12"
   - "4"
   - "6"
+  - "7"
 sudo: false
 cache:
   directories:

README.md

@@ -152,7 +152,7 @@ MIT License: Teppei Sato <[email protected]>
 [travis-url]: https://travis-ci.org/teppeis/typescript-simple
 [deps-image]: https://img.shields.io/david/teppeis/typescript-simple.svg
 [deps-url]: https://david-dm.org/teppeis/typescript-simple
-[node-version]: https://img.shields.io/badge/Node.js%20support-v0.12–v6-brightgreen.svg
+[node-version]: https://img.shields.io/badge/Node.js%20support-v4–v7-brightgreen.svg
 [coverage-image]: https://img.shields.io/coveralls/teppeis/typescript-simple/master.svg
 [coverage-url]: https://coveralls.io/github/teppeis/typescript-simple?branch=master
 [license]: https://img.shields.io/npm/l/typescript-simple.svg

appveyor.yml

@@ -3,9 +3,9 @@
 # Test against this version of Node.js
 environment:
   matrix:
-    - nodejs_version: "0.12"
     - nodejs_version: "4"
     - nodejs_version: "6"
+    - nodejs_version: "7"
 
 # Install scripts. (runs after repo cloning)
 install:

package.json

@@ -4,7 +4,7 @@
   "description": "Simple API to compile TypeScript code string to JavaScript. That's all!",
   "main": "index.js",
   "engines": {
-    "node": ">=0.12"
+    "node": ">=4"
   },
   "scripts": {
     "test": "npm run build && mocha",