OPNSense/tools a8cc954config/19.1 make.conf

config: Python 3 changes

* Make Python 3 the default instead of Python 2
* Move from Python 3.6 to 3.7

Discussed with: @adschellevis
DeltaFile
+2-2config/19.1/make.conf
+2-21 files

UnifiedSplitRaw