-Email data is properly restored while rotating the Activity.
-Added necessary logic to guarantee that an email is actually valid before continuing, there are verifications for empty, duplicated and invalid formatted emails for both additional and main email.
-fixed a few NFC crashes
-fixed a few instances when showing the keyboard would crash the Activity
-fixed a case where adding new emails would crash the app if the user went back and forth between the Add Email fragment and the Add Name fragment.