Merge pull request #65 from ooeygui/Dmap

Implement Lightning nuget
Fixed SPI pin configuration problems.
Set SPI pins SCK and MOSI as outputs and MISO as input.
Added SPI speeds down to 1 KHz for testing.
Fixed inaccurate SPI speed configuration problem.
Added methods to read pin directions, largely for code testing use.
Fixed some comment typos.
Merge pull request #70 from JustAddWires/DMap

Fixed SPI pin configuration problems.
Set I2C fast speed to 400khz.
Merge pull request #73 from JustAddWires/DMap

Set I2C fast speed to 400khz.
Set Legacy device name for latest image.
Merge pull request #75 from JustAddWires/DMap

Set Legacy device name for latest image.