Minor pre-release fixes

- Fixed the `cwl-runner` behaviour to avoid unallowed characters in the
auto-generated workflow name;
- Fixed the Documentation index to hide the Table of Contents in the
home page.

docs/source/index.rst

@@ -36,19 +36,22 @@ For LaTeX users, the following BibTeX entry can be used:
 
 .. toctree::
    :caption: Getting Started
+   :hidden:
 
    install.rst
    architecture.rst
    operations.rst
 
 .. toctree::
    :caption: CWL Standard
+   :hidden:
 
    cwl/cwl-conformance.rst
    cwl/cwl-runner.rst
 
 .. toctree::
    :caption: Connectors
+   :hidden:
 
    connector/docker.rst
    connector/docker-compose.rst

streamflow/cwl/runner.py

@@ -39,13 +39,13 @@ async def _async_main(args: argparse.Namespace):
         if len(workflows) == 1:
             workflow_name = list(workflows.keys())[0]
         elif len(workflows) == 0:
-            workflow_name = os.path.basename(args.processfile)
+            workflow_name = 'cwl-workflow'
             streamflow_config['workflows'][workflow_name] = {}
         else:
             raise WorkflowDefinitionException(
                 "A StreamFlow file must contain only one workflow definition when used with cwl-runner.")
     else:
-        workflow_name = os.path.basename(args.processfile)
+        workflow_name = 'cwl-workflow'
         streamflow_config = {
             'version': 'v1.0',
             'workflows': {