compliant with cx_freeze (__file__ pb)

## Build

```no build instructions```

For a deployment on PCs under windows:

```

$ python setup.py install --prefix=C:\Users\pc\deploy  # all the windows binaries under \Users\pc\deploy

$ python setup.py bdist_msi  # people_gui-0.1-amd64 under ./dist

```

## Tests

  level: DEBUG

```

Python code: 

Python code to read local data file (and compliant with cx_freeze for Windows deployment)

```python

def find_data_file(filename):

    if getattr(sys, 'frozen', False):

        # The application is frozen

        datadir = os.path.dirname(sys.executable)

    else:

        # The application is not frozen

        # Change this bit to match where you store your data files:

        datadir = os.path.dirname(__file__)

    return os.path.join(datadir, filename)

```

Usage:

```python

    log_cfg = safe_load(resource_stream('people', logging_gui.yaml))

    logging.config.dictConfig(log_cfg)

    # create (root) logger

    # TODO: use loggers in yaml file as define them oas root logger (used in multiple python sub modules)

    logger = logging.getLogger()

        menu_file = find_data_file("menu.ui")

        builder.add_from_file(menu_file)

```

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