Mapbox-tilesets

- `update-recipe` command handles 204 status code in addition to 201 and no longer prints response text
- Add `update` command for updating `--name`, `--description`, `--privacy`, and `--attribution` of a tileset
- Add `--attribution` option to the `create` command
- Add `delete` command for deleting a tileset
- Add `tilejson` command
- Add user-agent header to API requests

- Fixed http status code for tilesets sources delete so it will no longer error

- Rename package to mapbox-tilesets for pypi release

- Add --force option to delete-sources

- Stream add-source file upload with requests-toolbelt

- Add confirmation prompt to delete-sources