Using geolocation with Ionic 2
http://webaxx.fr/ionic-2/geolocalisation-avec-ionic-2/
npm install -g ionic@beta
npm install -g cordova
ionic start TutoGeolocation --v2 --ts
cd TutoGeolocation
ionic platform ios
ionic platform android
npm install ionic-native --save
cordova plugin add cordova-plugin-geolocation
ionic run android
ionic run ios