* Add support for Cisco Nexus 3550-F (formerly Exalink Fusion) devices
* Refactor to refer to the Exalink Fusion as the Cisco Nexus 3550 (post m&a of Exablaze by Cisco) as well as use YAML based OS discovery
* Rename Cisco N3550 ports include
* styleci fixes to n3550 ports include
* Correct N3550/Exalink OS discovery and improve tests
* Improve N3550 OS discovery and poller support
* styleci
* Rename Cisco Nexus 3550 OS from ciscon3550 -> exalink-fusion
* Update file header
