in clean-classic for linux-x86 remove unused files from clean-build repository in setup.sh instead of cleanup.sh

in clean-classic for linux-x64, linux-arm32, linux-arm64, linux-thumb and macos-x64 add generics examples

in clean-classic for windows-x86 add project files for platform examples, except for client and server (because label WSAStartup@6 should be WSAStartup@8 in Platform)

Allow failure of the ARM CI job as long as the runner is unstable

See merge request !73

Allow other sources than gitlab.science.ru.nl in git-sources.txt

See merge request !65

in clean-classic for windows-x64 and windows-x86 remove make and install files in StdEnv and Small Examples, for windows-x86 add -tcl and copy StdEnv tcl files for system modules

in clean-classic for linux-x86, linux_arm64, linux_arm32, linux_thumb and macos-x64 add platform examples, move small examples to SmallExamples directory, in linux_arm32 and linux_thumb remove txt/Makefile_examples and txt/run_all_programs, use Makefile and run_all_programs from clean-libraries repository instead

in clean-classic for linux-x64 add platform examples, move small examples to SmallExamples directory

in clean-classic for linux-arm64, linux-x64, linux-x86 and macos-x64 remove txt/Makefile_examples and txt/run_all_programs, use Makefile and run_all_programs from clean-libraries repository instead

in clean-classic for linux-arm64 remove txt/install.sh and txt/make.sh, use install_no_profile.sh and make.sh from stdenv repository instead

in clean-classic for linux-x64, linux-x86 and macos-x64 remove txt/install.sh and txt/make.sh, use install.sh and make.sh from stdenv repository instead

update Tools/*.py scripts to python3

Closes #45

See merge request !69

add clean-language-report target

Closes #46

See merge request !70

in clean-classic for macos-x64 add _SystemDynamic and StdDynamic to StdEnv, remove Dynamics directory, use gast repository

in clean-classic for linux-x64, linux-x86 and macos-x64 remove txt/_startupTrace.dcl and txt/_startupProfile.dcl, copy _startup.dcl instead

in clean-classic for linux-x64 and linux-x86 remove txt/clm.1, instead use clm.1 from clm repository

in clean-classic for linux-arm64 remove txt/Makefile_stdenv, use Makefile_no_trace.linux from stdenv instead