Add support for ILI9340 color display

[jfpoilpret]

[jfpoilpret]

Work started on branch https://github.com/jfpoilpret/fast-arduino-lib/tree/LCD-ILI9163-support long time ago.
Need to check where I stand on this and what is still pending until merge.
Put it aside for the moment due to other priority (AdaFruit BLE Friend SPI breakout)