* bump to client 0.5.3
* export Query type from client and create alerting mock
* Bump client to 0.5.5
* Merge all status enums to one type
* Fix threshold visualization types
* Add extra underscore to notification rules
* Use check view type from client
* Add description field to checks, notificationrules and endpoints
* Add init check cards
* Add check card actions
* Correct component name
* Add check card context and toggle
* Add id to notification rule base
* Add notification rule cards
* add checks reducer tests
* user immer for checks reducer
* add tests and immer to notification rule reducer
* WIP
* Goodbye yarn
* Use latest scrollbar package
* Use default colors
* Expose custom thumb color props
* Use latest package
* Remove unused package
* Update test snapshots
* Organize exernal styles into separate section
Deletes unused and outdated code, including and AST walker for Flux
queries and various Flux metaquery utilites.
Also moves the remaining modules in `src/flux` to somewhere under
`src/shared`. The `src/flux` directory was a vestige of a time when the
Flux related portions of Chronograf were contained to a single page, but
now these modules are used everywhere.