Schönheitskorrekturen
Copied NE555 from st-microelectronics.lbr for further changes.
NE555: Named existing variant "DIL"
NE555: Added SO08 variant.
NE555: Descriptions and Reichelt part numbers
added first flag to dil-08 pin 1
changed ne555 discharge pin to open collector
Merge branch 'tux-ne555'