Zumo: updated quickstart screenshots to match AUX3.2 updates

Please republish the following topics to pull in these image changes:

DevCenter/Mobile/Tutorials/mobile-services-get-started.md 
DevCenter/Mobile/Tutorials/mobile-services-get-started-wp8.md 
DevCenter/Mobile/Tutorials/mobile-services-get-started-android.md 
DevCenter/Mobile/Tutorials/mobile-services-get-started-html.md 
DevCenter/Mobile/Tutorials/mobile-services-get-started-ios.md