* 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
* ui: Add a warning dialog if you go to remove permissions from an intention
* ui: Move modal styles next to component, add warning style
* ui: Move back to using the input name for a selector
* ui: Fixup negative "isn't" step so its optional
* Add warning modal to pageobject
* Fixup test for whether to show the warning modal or not
* Intention change action warning acceptence test
* Add a null/undefined Action
* 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