Refactor examples file structure

Signed-off-by: trafalgarzzz <trafalgarz@outlook.com>

Author: TrafalgarZZZ

examples/kubernetes/create_dataload.py renamed to examples/fluidapis/create_dataload.py

@@ -42,8 +42,8 @@
                      and callable(models.__dict__[name]))
 
 parser = argparse.ArgumentParser(description='PyTorch ImageNet Training')
-parser.add_argument('data', metavar='DIR', nargs='?', default='imagenet',
-                    help='path to dataset (default: imagenet)')
+parser.add_argument('data', metavar='DIR', nargs='?', default='pytorch',
+                    help='path to dataset (default: pytorch)')
 parser.add_argument('-a', '--arch', metavar='ARCH', default='resnet18',
                     choices=model_names,
                     help='model architecture: ' +