Upgrade/800/logical interconnects

[sijeesh]

Description

Upgraded Logical Interconnect resource to support OneView API version 800

Check List

• [x] New functionality includes testing.
  • [x] All tests pass for Python 2.7+ & 3.4+($ tox).
• [ ] New functionality has been documented in the README if applicable.
  • [x] New functionality has been thoroughly documented in the examples (please include helpful comments).
  • [x] New endpoints supported are updated in the endpoints-support.md file.
• [x] Changes are documented in the CHANGELOG.