Tagging 2.2.2-rc3

1. a09fe5b Updating Copyright line to Open Networking Foundation by Brian O'Connor · 7 years ago
2. 5ab426f Updating copyrights by Brian O'Connor · 8 years ago
3. 4f1a60c Revised copyright message. by Thomas Vachuska · 10 years ago
4. 24c849c Added copyrights to the utils code by Thomas Vachuska · 10 years ago
5. fc9a4ff Fixed equals methods for better efficiency. Cleaned up ClusterService API. by tom · 10 years ago
6. eadbb46 Added simple link manager implementation. by tom · 10 years ago
7. e348941 Added graph-related utility code. by tom · 10 years ago