minor updates and cleaup

bulk-updates libraries and schematics schematic is updated to Kicad 5.1.14 updates various sheets with new circuits adds various component libraries

Updates all schematic pages to current components all components are replaced with the current component library parts

Add more circuitry, add library content AC current measurement AC filter AC switch DC booster DC input Analog frontend drivers inverter main controller power supply new components for: standard library (e.g. relay) AC current sensor acs722 voltage regulator LM317L Footprints for: AC relay TO-220

Add analog frontend, add needed libraries

Add project standard library, Init project schematic