FlatCAM fork for modern systems

Marius Stanciu 421e9766ea -clean-up before merge 7 lat temu
bugs a4bbb98bf1 - converted from Python2 code to Python3 code 7 lat temu
descartes a4bbb98bf1 - converted from Python2 code to Python3 code 7 lat temu
doc a4bbb98bf1 - converted from Python2 code to Python3 code 7 lat temu
sandbox a4bbb98bf1 - converted from Python2 code to Python3 code 7 lat temu
tests a4bbb98bf1 - converted from Python2 code to Python3 code 7 lat temu
.gitignore d2de53b546 Ignore tests/tmp. 10 lat temu