* Split transport classes into transport package.
* Introduce transport timeouts.
* black format
* Add metadata-only artifacts
* Simplify utvm rpc server API and ease handling of short packets.
* add zephyr test against qemu
* Add qemu build config
* fix typo
* cleanup zephyr main
* fix nonblocking piping on some linux kernels
* don't double-open transport
* validate FD are in non-blocking mode
* gitignore test debug files
* cleanup zephyr compiler
* re-comment serial until added
* remove logging
* add zephyr exclusions to check_file_type
* add asf header
* lint
* black format
* more pylint
* kill utvm rpc_server bindings, which don't work anymore and fail pylint
* fix compiler warning
* fixes related to pylint
* clang-format again
* more black format
* add qemu regression
* Fix paths for qemu/ dir
* fix typo
* fix SETFL logic
* export SessionTerminatedError and update except after moving
* fix test_micro_artifact
* retrigger staging CI
* fix jenkins syntax hopefully
* one last syntax error
* Add ci_qemu to Jenkinsfile
* build in qemu
* address liangfu comments
* fix new bug with list passing
* retrigger CI
Andrew Reusch