* Add NetworkSetFactsModule for retrieving HPE OneView Network Sets
- Allow querying for Network Set resources in HPE OneView
- Adds unit tests to new module
- Updates oneview_module_loader copyright header to short GPL3 version
* Adding possibility to pass in credentials as parameters
* Removed required false and changed format of filter_by_name declaration
* Updated examples in docs to reflect new way to pass in credentials
- All examples of the oneview_network_set_facts updated to use
credential parameters
- All required=False from oneview base module removed
- Shared docs updated to bring attention to API version being used