Gnuradio 3.8 port#19

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bmagistro wants to merge 4 commits intotrendmicro:masterfrom

bmagistro:gnuradio-3.8-port

Commits on Jan 5, 2018

Restructured files to be compatable with Pybombs
zwh2
committed

Commits on Oct 8, 2020

port aistx to ver 3.8
bmagistro
committed

Commits on Oct 13, 2020