fix(nodejs): add compatibility for node 8

* build(node): allow node versions >= 6.0.0

comment flyntwp/flynt-cli#59

* build(yarn): upgrade dependencies

closes flyntwp/flynt-cli#59

package.json

@@ -12,31 +12,31 @@
     "releaseGithub": "conventional-github-releaser -p angular"
   },
   "devDependencies": {
-    "autoprefixer-stylus": "^0.13.0",
+    "autoprefixer-stylus": "^0.14.0",
     "babel-core": "^6.18.2",
     "babel-eslint": "^7.1.1",
-    "babel-loader": "^6.2.7",
+    "babel-loader": "^7.1.0",
     "babel-plugin-transform-builtin-extend": "^1.1.0",
     "babel-plugin-transform-class-properties": "^6.19.0",
     "babel-plugin-transform-es2015-modules-amd": "^6.18.0",
     "babel-polyfill": "^6.16.0",
     "babel-preset-es2015": "^6.18.0",
     "browser-sync": "^2.18.1",
     "check-node-version": "^2.0.1",
-    "console-polyfill": "^0.2.3",
+    "console-polyfill": "^0.3.0",
     "conventional-github-releaser": "^1.1.3",
     "csso-loader": "^0.3.0",
-    "del": "^2.2.2",
+    "del": "^3.0.0",
     "document-register-element": "^1.3.0",
     "draggabilly": "^2.1.1",
-    "file-loader": "^0.10.1",
+    "file-loader": "^0.11.2",
     "glob": "^7.1.1",
     "gulp": "^3.9.1",
-    "gulp-changed": "^2.0.0",
+    "gulp-changed": "^3.1.0",
     "gulp-changed-in-place": "^2.0.3",
     "gulp-if": "^2.0.2",
     "gulp-notify": "^3.0.0",
-    "gulp-phpcs": "^1.3.0",
+    "gulp-phpcs": "^2.0.0",
     "gulp-rev": "^7.1.2",
     "gulp-rev-napkin": "^0.1.0",
     "gulp-rev-replace": "^0.4.3",
@@ -48,7 +48,7 @@
     "gulp-watch": "^4.3.10",
     "hasbin": "^1.2.3",
     "jeet": "^7.0.0",
-    "normalize.css": "^6.0.0",
+    "normalize.css": "^7.0.0",
     "picturefill": "^3.0.2",
     "replace-in-file": "^2.5.0",
     "require-dir": "^0.3.1",
@@ -61,7 +61,7 @@
     "stylint-stylish": "^1.4.0",
     "stylus": "^0.54.5",
     "uglify-loader": "^2.0.0",
-    "webpack": "^2.2.1"
+    "webpack": "^3.0.0"
   },
   "standard": {
     "globals": [
@@ -71,7 +71,7 @@
     "parser": "babel-eslint"
   },
   "engines": {
-    "node": "^6.0.0"
+    "node": ">=6.0.0"
   },
   "standard-version": {
     "scripts": {