Tagging Hummingbird RC3 (1.7.0-rc3)

1. 477c81f Updating version to 1.7.0-rc3 for the RC by Brian O'Connor · 8 years ago 1.7.0-rc3
2. b19fc86 Bumping version back to 1.7.0-SNAPSHOT by Brian O'Connor · 8 years ago
3. 338bc0c Bumping pom versions to 1.7.0-rc2 and fixing some maven issues by Brian O'Connor · 8 years ago 1.7.0-rc2
4. f7c5655 OSPF protocol manual merge from 1.6, due to cherry pick merge conflict by sunishvk · 8 years ago