Upgraded Node.js to v10.9.0

.nvmrc

@@ -1 +1 @@
-10.8
+10.9

.travis.yml

@@ -3,7 +3,7 @@ matrix:
     - os: osx
       osx_image: xcode9.4
       language: node_js
-      node_js: "10.8"
+      node_js: "10.9"
       env:
         - ELECTRON_CACHE=$HOME/.cache/electron
         - ELECTRON_BUILDER_CACHE=$HOME/.cache/electron-builder

README.md

@@ -76,7 +76,7 @@ If you want to export the console output, simply right click anywhere on the con
 
 **System Requirements**
 
-* [Node.js][nodejs] v10.8.0+
+* [Node.js][nodejs] v10.9.0+
 
 ---
 

package.json

@@ -17,7 +17,7 @@
     "lint": "eslint --config .eslintrc.json --ignore-pattern app/assets/js/scripts/*.js . && eslint --config .eslintrc.scripts.json app/assets/js/scripts"
   },
   "engines": {
-    "node": "10.8.x"
+    "node": "10.9.x"
   },
   "repository": {
     "type": "git",