Merge branch 'master' of git.exmachina.fr:EXM/electronics

Final revision before review: - Update package silkscreen - Reroute to prevent GND from being broke - Change signal trace width to 8mil - Change power trace width to 12mil - Connect FTDI +5V to converter instead of VDD

Generated Gerber of EXM HMI LED Rev A1

Generated MDP files

Create EXM Safety Stop board

Update Readme

Update Readme

Update from libraries: - `con-molex` - `encoder.lbr`

Add bottom silkscreen on EXM Encoder

Merge branch 'master' of git.exmachina.fr:EXM/electronics