Add postinstall script

.travis.yml

@@ -5,3 +5,6 @@ node_js:
 before_script:
  - npm install grunt-cli -g
 script: grunt
+cache:
+ directories:
+  - node_modules

CHANGELOG.md

@@ -9,14 +9,15 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 ### Changed
 - Installer: Use init config.js from config.js.sample.
 - Switched out `rrule` package for `rrule-alt` in order to improve calendar issues. (Experimental: [#565](https://github.com/MichMich/MagicMirror/issues/565))
-- Make mouse events pass through the region fullscreen_above to modules below.
+- Make mouse events pass through the region fullscreen\_above to modules below.
 
 ### Added
 - Add loaded function to modules, providing an async callback.
 - Made default newsfeed module aware of gesture events from [MMM-Gestures](https://github.com/thobach/MMM-Gestures)
 - Add use pm2 for manager process into Installer RaspberryPi script
 - Russian Translation
 - Afrikaans Translation
+- Add postinstall script to notify user that MagicMirror installed successfully despite warnings from NPM.
 
 ### Fixed
 - Update .gitignore to not ignore default modules folder.

installers/postinstall/postinstall.sh

@@ -0,0 +1,2 @@
+echo "\033[32mMagicMirror installation successful!"
+exit 0

package.json

@@ -4,7 +4,8 @@
   "description": "A modular interface for smart mirrors.",
   "main": "js/electron.js",
   "scripts": {
-    "start": "electron js/electron.js"
+    "start": "electron js/electron.js",
+    "postinstall": "sh installers/postinstall/postinstall.sh"
   },
   "repository": {
     "type": "git",