Move utils.py to utils directory.
Add 'configprocessor.py'.
[configprocessor.py] Implement 'set' method.
Switch to new configuration concept.
Remove 'config.py'.
[ControllerIF.py] Fix connectionFactory.
[serialport.py] Remove unnecessary print stmt.
Addd 'default_config.yaml'.
Add '__init__.py' to config directory.
[configuration.py] Get rid of hard-coded default configuration.
Use YAML based dynamic configuration.