2 new commits pushed to

<https://github.com/RTimothyEdwards/open_pdks/tree/master|master>

by RTimothyEdwards

<https://github.com/RTimothyEdwards/open_pdks/commit/e281e08fc034bfa71686edaebacf1d3540eaf6bf|e281e08f>

- Corrected the sky130.json file, which had a major problem caused by

<https://github.com/RTimothyEdwards/open_pdks/commit/f2a114e9a167d756dace2a8c68f2c061b64a9582|f2a114e9>

- Corrected the "defaultoverlap" and "defaultperimeter" entries for RTimothyEdwards/open_pdks