Chopstx 1.14

[NIIBE Yutaka]

Hello,

Chopstx 1.14 is released.

	tag release/1.14
	Tagger: NIIBE Yutaka <gniibe at fsij.org>
	Date:   Sat Mar 2 08:49:13 2019 +0900
	commit aeea3c31f8dab3e5920e4c35f6199b519f928c79


The change is only USART driver for STM32.

	* Enhancement of driver: USART for STM32
	Now, it supports smartcard communication.


With this, I started developing smartcard reader.  See:

    https://identi.ca/gniibe/image/C6-E_MdgTUyH-fclCh_ONQ
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