Bumped version

package.json

@@ -1,7 +1,7 @@
 {
   "author": "Paweł Mendelski <pawel.mendelski@coditorium.com>",
   "name": "read-config",
-  "version": "1.6.0",
+  "version": "2.0.0",
   "description": "Multi format configuration loader",
   "main": "index.js",
   "license": "MIT",
@@ -13,7 +13,7 @@
     "url": "https://github.com/coditorium/nodejs-read-config/issues"
   },
   "scripts": {
-    "test": "gulp checkstyle test",
+    "test": "gulp lint test",
     "ci": "gulp ci",
     "coveralls": "cat build/test/coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js"
   },
@@ -48,7 +48,7 @@
     "mocha-jenkins-reporter": "~0.1.9"
   },
   "engines": {
-    "node": ">=0.10"
+    "node": ">=5"
   },
   "analyze": "true"
 }