added more footprints

Just more footprints, and correcting old ones
footprint for YC248 Resistor Array

Updating footprint. Narrowing pads considerably, and adding explicit
paste layer for 3mm stencil.
create new YC248 device
delete Yaego resistor arrays. Add CTS

removed Yaego footprints from 8 resistor array device. Added new CTS
resistor array footprint. Should work with Yaego anyway.
minor changes to CTS footprint
Work on vertical USB-B connector footprint
correct "cutout" layer to 20

put cutouts on layer 21 instead of 20!! Caught due to rendering on
oshpark.com!!