Implemented Auto-Reset on 1200bps-touch (Native Port) to restart bootloader

Some serial libraries opens the serial port BEFORE setting the baudrate.
This patch allows finer control on the reset condition, since it's
checked on open/close (DTR) AND on serial port parameter change.

 Fixing Analog Reference values

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 Implements ADC and DAC functions, Interrupt and Wifi Shield validation

Paths from command line in Windows style ("C:\path\etc...") should be
enclosed in double brackets like "{{C:\path\etc...}}" to avoid OpenOCD's
tcl interpreter to escape them.