Breaking: Set minimum node version to 6 (#481)

Author: JamesHenry

.travis.yml

@@ -2,7 +2,6 @@ language: node_js
 sudo: false
 node_js:
     - "6"
-    - "7"
     - "8"
     - "9"
 after_success:

package.json

@@ -10,7 +10,7 @@
     "parser.js"
   ],
   "engines": {
-    "node": ">=4"
+    "node": "^6.14.0 || ^8.10.0 || >=9.10.0"
   },
   "repository": "eslint/typescript-eslint-parser",
   "bugs": {
@@ -21,15 +21,15 @@
     "babel-code-frame": "6.26.0",
     "babylon": "7.0.0-beta.39",
     "dedent": "0.7.0",
-    "eslint": "4.17.0",
+    "eslint": "4.19.1",
     "eslint-config-eslint": "4.0.0",
-    "eslint-plugin-node": "6.0.0",
-    "eslint-release": "0.10.3",
+    "eslint-plugin-node": "6.0.1",
+    "eslint-release": "0.11.1",
     "glob": "7.1.2",
-    "jest": "22.2.1",
+    "jest": "23.1.0",
     "lodash.isplainobject": "4.0.6",
     "npm-license": "0.3.3",
-    "shelljs": "0.8.1",
+    "shelljs": "0.8.2",
     "shelljs-nodecli": "0.1.1",
     "typescript": "~2.9.1"
   },