use a more complete region definitions file for CT

da/rc/carbontracker.rc

@@ -9,7 +9,8 @@ deltaco2.prefix : oif_p3_era40.dpco2
 regtype         : olson19_oif30
 nparameters     : 240
 random.seed     : 4385
-regionsfile     : ${datadir}/transcom_olson19_oif30.hdf
+regions.dir     : /Users/peters/Library/Code/carbontracker/shared/aux
+regionsfile     : ${regions.dir}/regions.nc
 
 ! Include a naming scheme for the variables