renamed ads1298_driver to ads129x_driver
renamed ads1298 files to ads129x
added boardledon and boardledoff commands
HackEEG board working in Arduino SPI and SAM3X native SPI DMA modes; added status command; add placeholder serialnumber command
added function_generator sketch for use as a test system
added eeprom24aa256 demo sketch
version command now reports board name, maker, driver version, hardware type, max channels, active channels; changed namespace to ADS129x
added blank line to the end of every command, to delineate end of output; added status text to start, stop, standby, wakeup, and reset commands