Resume from existing mlflow run

Requires !59 (merged)

Closes #30 (closed)

dan/ocr/document/train.py

@@ -78,8 +78,8 @@ def get_config():
     dataset_path = "."
     params = {
         "mlflow": {
-            "dataset_name": dataset_name,
             "run_name": "Test log DAN",
+            "run_id": None,
             "s3_endpoint_url": "",
             "tracking_uri": "",
             "experiment_id": "0",