Fix config inconsistency (#609)

* Plural/singular confusion in config key

* Flow class vs flow blueprint nomenclature change

* Update docs & CLI to reflect the above

trustgraph-cli/trustgraph/cli/put_flow_blueprint.py

@@ -0,0 +1,65 @@
+"""
+Uploads a flow blueprint definition.  You can take the output of
+tg-get-flow-blueprint and load it back in using this utility.
+"""
+
+import argparse
+import os
+from trustgraph.api import Api
+import json
+
+default_url = os.getenv("TRUSTGRAPH_URL", 'http://localhost:8088/')
+default_token = os.getenv("TRUSTGRAPH_TOKEN", None)
+
+def put_flow_blueprint(url, blueprint_name, config, token=None):
+
+    api = Api(url, token=token)
+
+    blueprint_names = api.flow().put_blueprint(blueprint_name, config)
+
+def main():
+
+    parser = argparse.ArgumentParser(
+        prog='tg-put-flow-blueprint',
+        description=__doc__,
+    )
+
+    parser.add_argument(
+        '-u', '--api-url',
+        default=default_url,
+        help=f'API URL (default: {default_url})',
+    )
+
+    parser.add_argument(
+        '-t', '--token',
+        default=default_token,
+        help='Authentication token (default: $TRUSTGRAPH_TOKEN)',
+    )
+
+    parser.add_argument(
+        '-n', '--blueprint-name',
+        help=f'Flow blueprint name',
+    )
+
+    parser.add_argument(
+        '-c', '--config',
+        help=f'Initial configuration to load, should be raw JSON',
+    )
+
+    args = parser.parse_args()
+
+    try:
+
+        put_flow_blueprint(
+            url=args.api_url,
+            blueprint_name=args.blueprint_name,
+            config=json.loads(args.config),
+            token=args.token,
+        )
+
+    except Exception as e:
+
+        print("Exception:", e, flush=True)
+
+if __name__ == "__main__":
+    main()