docs(readme): rename Ionic
docs(readme): rename Ionic

Since release 3.0 we call it just Ionic and release 1.x Ionic V1
floatinghotpot/cordova-admob-pro,jmelvin/cordova-admob-pro,floatinghotpot/cordova-admob-pro,floatinghotpot/cordova-admob-pro,jmelvin/cordova-admob-pro,jmelvin/cordova-admob-pro,jmelvin/cordova-admob-pro,floatinghotpot/cordova-admob-pro