[template] Set timezone to UTC by default
Save the contexts state files in their WORKDIR #3
Fix #5: Set context in/out/local cmd to /bin/bash by default
update version to 2.1.0-dev
Update start qemu because  not working with ipv6

ssh-keyscan is not working with ipv6 so force it to ipv4
Make global section non mandatory
Make writing embedded step in recipe possible #12
improved the readability of logs and the progress bar