* ui: Serialize proxies into the model, add Mesh* model props
Serializes the proxies associated with a service onto the Service model
itself, then adds various Mesh* properties
* ui: Uses the new Mesh* properties throughout the app
* ui: Add new consul-nspace-list component
* ui: Use new consul-nspace-list component
* Fix up other components to use linkable list-collection action
* ui: Remove some dead CSS