CB-13454: (ios) re-add icon-40@2x.png that was accidentally removed
CB-13454: (ios) re-add icon-40@2x.png that was accidentally removed

dpogue/cordova-ios,dpogue/cordova-ios,shazron/cordova-ios,dpogue/cordova-ios,apache/cordova-ios,apache/cordova-ios,shazron/cordova-ios,dpogue/cordova-ios,dpogue/cordova-ios,shazron/cordova-ios,apache/cordova-ios,shazron/cordova-ios,shazron/cordova-ios,apache/cordova-ios,apache/cordova-ios,shazron/cordova-ios,apache/cordova-ios,dpogue/cordova-ios,apache/cordova-ios