Add NFC delete and break out into int- and external
Remove unesserary code
Merge pull request #7 from fidesmo/add-nfc-delete

Add NFC delete and break out into int- and external
Add ExternalAddActivity and break out InternalAddActivity
Merge pull request #8 from fidesmo/add-externaladdactivity-break-out-internal

Add ExternalAddActivity and break out InternalAddActivity
Switch between external and internal activity

- Add InternalMainActivity to show tokens stored in phone
- On tap show ExternalMainActivity that lists tokens store in the
  external hardware token
- Change color to represent the external tokens brand
Remove Toast from delete view