Fix some issues

[lenerd]

Fixes two issues:

• key in protocol configuration is regions not regions.json
• filter api expects list or tuple instead of strings

  Choose deployment task
  1. Deploy Instance(s)
  2. Create Key pair(s)
  3. Create security group(s)
  4. Get instances network data
  5. Terminate machines
  6. Change machines types
  7. Start instances 
  8. Stop instances
  Your choice:4
  Traceback (most recent call last):
  File "main.py", line 128, in <module>
  main()
  File "main.py", line 116, in main
  print_instances_management_menu(conf_file_path)
  File "main.py", line 50, in print_instances_management_menu
  deploy.get_network_details()
  File "/path/to/MATRIX/Deployment/deploy.py", line 108, in get_network_details
  self.get_aws_network_details()
  File "/path/to/MATRIX/Deployment/aws_deploy.py", line 195, in get_aws_network_details
  {'Name': 'tag:Name', 'Values': protocol_name}])
  File "/path/to/MATRIX/.venv/lib/python3.7/site-packages/botocore/client.py", line 320, in _api_call
  return self._make_api_call(operation_name, kwargs)
  File "/path/to/MATRIX/.venv/lib/python3.7/site-packages/botocore/client.py", line 596, in _make_api_call
  api_params, operation_model, context=request_context)
  File "/path/to/MATRIX/.venv/lib/python3.7/site-packages/botocore/client.py", line 632, in _convert_to_request_dict
  api_params, operation_model)
  File "/path/to/MATRIX/.venv/lib/python3.7/site-packages/botocore/validate.py", line 291, in serialize_to_request
  raise ParamValidationError(report=report.generate_report())
  botocore.exceptions.ParamValidationError: Parameter validation failed:
  Invalid type for parameter Filters[2].Values, value: Semi-Honest-BMR, type: <class 'str'>, valid types: <class 'list'>, <class 'tuple'>