Add 'getAppInfo' and 'getIdentifier' to WP8 as well
Add 'getAppInfo' and 'getIdentifier' to WP8 as well

The code is untested.

danmichaelo/cordova-plugin-appinfo,danmichaelo/cordova-plugin-appinfo,vash15/cordova-plugin-appinfo,vash15/cordova-plugin-appinfo,vash15/cordova-plugin-appinfo,danmichaelo/cordova-plugin-appinfo