new Small Outline Integrated Circuit packages library

Small Outline Packages created with C code:
https://github.com/michal777/Packages_Generator
With visible silkscreen, courtyard (0.25 from pad or body, 0.05 rounded), subdivided exposed pads.
Based on:
http://ww1.microchip.com/downloads/en/PackagingSpec/00000049BS.pdf
http://www.nxp.com/documents/reflow_soldering/SSOP-TSSOP-VSO-REFLOW.pdf