Add component references to soldering instructions Also clarify some of the details

Merge pull request #153 from erkinalp/patch-1 Passive cooling and low power

Passive cooling and low power

Merge pull request #151 from Neotron-Compute/doc_updates Add an assembly manual (of sorts)

First draft assembly document.

Remove last traces of MCP23S18.

Merge branch 'release/v1.1'

Note new choice of video buffer

Making the v1.1.0 release branch.

Merge pull request #149 from Neotron-Compute/swap_to_stm32f030 Replace references to STM32F031 with STM32F030.