* Adds model layer changes around HealthChecks
1. Makes a HealthCheck model fragment and uses it in ServiceInstances and
Nodes
2. Manually adds a relationship between a ServiceInstance and its
potential ServiceInstanceProxy
3. Misc changes related to the above such as an Exposed property on
MeshChecks, MeshChecks itself
* Add a potential temporary endpoint to distinguish ProxyServiceInstance
* Fix up Node search bar class
* Add search/sort/filter logic
* Fixup Service default sort key
* Add Healthcheck search/sort/filtering
* Tweak CSS add a default Type of 'Serf' when type is blank
* Fix up tests and new test support
* Add ability to search on Service/Node name depending on where you are
* Fixup CheckID search predicate
* Use computed for DataCollection to use caching
* Alpha sort the Type menu
* Temporary fix for new non-changing style Ember Proxys
* Only special case EventSource proxies
* ui: Add predicate, comparator and necessary files for the search/sort
* Implement search and sort for upstream instance list
* ui: Tweak CSS so its all part of the component
* Remove the old proxy test attribute
* Remove Proxy Info and create Upstreams and Exposed Paths tabs
* Update routes formatting
* Update typo for Expose.Checks
* Remove, update, and add tests
* Make consul-upstream-instance-list into a glimmer component
* Create styling for upstream-instance-list component
* ui: Apply native class codemod to all services
* ui: Apply native class codemod to routes
* ui: Apply native class codemod to controllers
* Fix up ember proxy `content` issue
* Add a CreateTime on policy creation
* Minor formatting
* Convert child based saving to use ec instead of custom approach
* Remove custom event source repo wrapping initializer
* Repos here are no longer proxy objects revert to using them normally
* Remove areas of code that were used to set up source backed repos
* ui: Add the most basic workspace root in /ui
* We already have a LICENSE file in the repository root
* Change directory path in build scripts ui-v2 -> ui
* Make yarn install flags configurable from elsewhere
* Minimal workspace root makefile
* Call the new docker specific target
* Update yarn in the docker build image
* Reconfigure the netlify target and move to the higher makefile
* Move ui-v2 -> ui/packages/consul-ui
* Change repo root to refleect new folder structure
* Temporarily don't hoist consul-api-double
* Fixup CI configuration
* Fixup lint errors
* Fixup Netlify target
John Cowen
Kenia