* Deprecate Entity, EntityCollection and use subspec in network modules
* As per proposal https://github.com/ansible/proposals/issues/76
deprecate use of Entity, EntityCollection, ComplexDict, ComplexList
and use subspec instead.
* Refactor ios modules
* Refactor eos modules
* Refactor vyos modules
* Refactor nxos modules
* Refactor iosxr modules
* Add support for key in suboptions handling
* Fix CI issues