Add support for data and blob URL schemes 
Add support for data and blob URL schemes 

- Check the url for data:image and blob url schemes for the iconUrl property
pwnall/cordova-plugin-chrome-apps-notifications,MobileChromeApps/cordova-plugin-chrome-apps-notifications,MobileChromeApps/cordova-plugin-chrome-apps-notifications,pwnall/cordova-plugin-chrome-apps-notifications