* Create Topology Tab with foundational layout and styling
* Create Toplogy Metrics component with dynamic SVG
* Add ember-render-modifiers addon
* Implement Topology Metrics comp and fix up styling
* Create topology endpoint with tests
* Move arrow drawing to index.js file
* Add topology to show controller
* Fix up conditional wrapper, tabs positioning, links, and styling
* Group upstreams by dc and fix up styling
* Create service/health-percentage helper
* Add health check percentages to upstreams and downstreams
* Basic Layout
* Upgrade @hashicorp/consul-api-double to v5.2.3
* Renamed endpoint to be service-topology
* Refactor styling
* Update to only show Topology tab when Connect is enabled
* Fix bug and changes from review notes
* Remove unused functions that are replaced with SVG markers
* Refactor to resuse svg-curve helper
* Use the render-template helper for the metrics link
* Add topology default null to services show route
* Removed unused ID
* Fix up tests broken by redirect to /topology
* ui: Various CSS amends
1. Split out %icon-definition from %composite-row
2. Add hover effect to node listing
3. Fix up proxy level list components
4. Rename our various pills to use a 100-900 scale
5. Reogranize other icon related things (consul-kind and
consul-external-source)
* Fix up upstream test
Kenia
John Cowen