Corrected ngspice testbenches for change in the name of the parameter
to turn on/off the mismatch parameters. Restored the boundary layer
to the example user project layout, moved the boundary layer origin
and everything else to the grid origin, and rewrote GDS for the
example project.
diff --git a/xschem/current_test.spice b/xschem/current_test.spice
index 1df1edd..8e4162d 100644
--- a/xschem/current_test.spice
+++ b/xschem/current_test.spice
@@ -17,7 +17,7 @@
* Simple POR circuit for Caravel current mirror test
*-------------------------------------------------------------------
-.param mc_switch=0
+.param mc_mm_switch=0
.lib /usr/share/pdk/sky130A/libs.tech/ngspice/sky130.lib.spice tt
* Note: 20 resistors of length 25um connected in series
