5 new commits pushed to

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

by RTimothyEdwards

<https://github.com/RTimothyEdwards/open_pdks/commit/1eb391f4f3caf6a9367e619ca5afc7c68e55562a|1eb391f4>

- Updated the magic startup file to use PDK_ROOT instead of PDKPATH.

<https://github.com/RTimothyEdwards/open_pdks/commit/2c4a276bf1937192dd53a79051babf713769f9d3|2c4a276b>

- Modified the magic device generator script to honor environment

<https://github.com/RTimothyEdwards/open_pdks/commit/d2e91445d107e5e712beca046feb6cda9b8d8cfd|d2e91445>

- Also corrected the xcircuit startup script to honor environment

<https://github.com/RTimothyEdwards/open_pdks/commit/506ba685c3459d8a65450c735df7bc73adc97e48|506ba685>

- Switched from distutils to setuptools.distutils in response to a

<https://github.com/RTimothyEdwards/open_pdks/commit/89d8afcbb49df1591143c80354d34cf9ec840920|89d8afcb>

- Corrected the terminal resistance of the "high" and "xhigh" resistors, RTimothyEdwards/open_pdks