Dukedsclient

What's Changed
* Add support for using Azure storage by johnbradley in https://github.com/Duke-GCB/DukeDSClient/pull/345
* Add ddd command line tool for Cloud Storage by johnbradley in https://github.com/Duke-GCB/DukeDSClient/pull/350
* Update README replacing ddsclient with ddd by johnbradley in https://github.com/Duke-GCB/DukeDSClient/pull/351


**Full Changelog**: https://github.com/Duke-GCB/DukeDSClient/compare/3.4.0...4.0.0

Changes upload command to check each file's download URL after uploading 343
Improves check command 341

Adds `ddsclient check -p <projectName>` command to verify that an uploaded project is in a consistent state.
Occasionally uploaded projects do not become consistent. This command will show the problematic files that can be deleted to fix consistency issues.
See PR 328

Adds the ability to delete a single file/folder using the `delete` command: 320
Fix TypeError when using sdk DukeDS.upload_file method: 322

Improves error messaging when parsing the .ddsclient config file.
See 317 and 319

See 314