Use new library symbols

Improve BOM

Add more BOM informations

Add some digikey order informations to components

Add some little changes to the schematic, add calculations

Improve pcb routing, add testpoints and etc. The design improves a lot. Still lots to do, but most important design parts should now be drafted almost complete.

Fix some assignment problems because of wrong library/component names

Initial version of HighPower-Mechaduino schematic