[Common] Move definevalue.py file and utils.py file to common directory.
[Common][Utils] Move the functions in clone_config/ directory to utils.py
file in common/ directory.
[Creator][Checker] Use finish_if_user_run_as_general_user() function.
[Clone] Use "from utils import *" instead of "import utils".
[Clone] Continue process when base_container does not exist.
[Common][Definevalue] Move NAME_BASE_CONTAINER constant value as
KEY_OF_BASE_CONTAINER to definevalue.py.
[Clone] Use variable to break long line and be readable.