npm package for Pushwoosh Web Push SDK

##Integration

1. Install npm-module

2. Create a manifest.json file with the JSON content below, and place it in the root directory of your website:

{  
  "name": "Pushwoosh Demo",  
  "short_name": "Pushwoosh Demo",  
  "display": "standalone",  
  "gcm_sender_id": "123456789012", // Your GCM Project Number
  "gcm_user_visible_only": true 
}

3. Copy service-worker.js file from module to your project public folder.

4. Add your Pushwoosh Application Code, default icon path, default title and service-worker path in service-worker.js

5. Require and call module with params: serviceWorkerURL, safariPushID, appCode

var push_notification = require('pushwoosh-notification');
push_notification('/service-worker.js','web.com.pushwoosh.websiteid','XXXXX-XXXXX');

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Safari push notifications:
http://docs.pushwoosh.com/docs/safari-website-notifications

Google Chrome guide (Available from version 42 of Google Chrome browser):
http://docs.pushwoosh.com/docs/chrome-web-push
http://docs.pushwoosh.com/docs/chrome-web-push-for-http-websites

Guide for Firefox push (Available from version 44 of Mozilla Firefox):
http://docs.pushwoosh.com/docs/firefox-web-push