SCS signer application

Jan 13, 2021

1.1.50 (2020-12-03):
- supports MAV 4.2 and Multiapp 4.0.1 cards
- supports check of app update availability
- minor enhancements and fixes

1.1.49 (2020-02-09):
- new setup procedure (new permissions required)
- works in Android 10
- bigger pin query dialog

1.1.48 (2019-11-08):
- supports new card type (FINEID v4.0)
- updates required by newer Android versions
- stability improvements