* add trace buffer for PCSC smartcard readers
* new option 'p' in 'hf list' to select PCSC trace buffer
* 'sc list' now supports PCSC smartcard readers
* add 'hf list 14-4' for ISO 14443-4 protocol
* print selected Smartcard Reader in PrintChannel()
* implement 'sc sel <readername>'. Readername can include wildcards * and ?
* fixing EMV APDU exchange (again)
* use EMVExchangeEx() instead of EMVExchange() in fidocore.c
* add PCSC reader support to 'sc raw' and all 'emv' commands
* move all APDU -> TPDU mapping to ExchangeAPDUSC()
* print "PSE" instead of "PPSE" when using contact interface
* fix some #defines in protocols.h
* DropField only when using contactless
* some refactoring
* add PCSC interface (pcsc.c and pcsc.h)
* new command 'sc select' to choose an USB Smartcard Reader
* updated CI/.travis.yml accordingly
* remove TCK CRC check in i2c.c It is done in PrintATR() anyway
* Fix TCK CRC check in PrintATR()
* Add PCSC reader support to 'sc info'
