The linting check can be done on any docker image with the latest python
version.
This updates de pre-commit checks and fix file linting to conform to new
standards.
[ADD] pyttest.ini file + test for cli_build
[ADD] call to gitaggregate
[REF] harmonize release & version words ; remove python version ; add...
[REM] remove towncrier for the time being
[REF\] enable both test and improve : each test should have it's own output folder to reduce gitaggagregate duration
