Replace README and HACKING with references to the Github wiki.
Add support for STM32F401RE
Send a null packet on end of USB transfer if last data packet is full.
Fix build for non-native targets.
Assert SRST when scanning JTAG if configured.  Closes #54.
Atmel SAMD20 support
Added notes about the datasheet and NVMCTRL Security Bit
Optimised flash write, programming speed is now approx. 2x faster
Fixed SAM D20 support with reset attached.

monitor connect_srst enable can be used to connect to targets that re-use the SWCLK pin
Use external access DSU range
SAM D20 MBIST shouldn't fail silently
Ooops - Semicolon from last commit :-)
SAMD20 prints die revision
Give up unwinding a fault if reading the stack fails.
LPC43XX: Attempt to handle case of running WDT.

If the WDT is running, it may reset while we are trying to flash.
Since we can't disable it, we set a long period and attempt to pet it
before each IAP call.
Merge pull request #57 from aibara/dev/lpc43xx_wdt

LPC43XX: Attempt to handle case of running WDT.
Merge remote-tracking branch 'upstream/master'
updated for upstreamm merge