* Remove app/service/query-string (unused) and its dependency.
* Fix usage of mixed operators.
* eslint --fix fixes for missing dependencies for react hooks
* Fix: useCallback dependency passed to $http's .catch.
* Satisfy react/no-direct-mutation-state.
* Fix no-mixed-operators violations.
* Move the decision of whether to render Custom chart one level up to make sure hooks are called in the same order.
* Fix: name was undefined. It wasn't detected before because there is such global.
* Simplify eslint config and switch to creat-react-app's eslint base.
* Add prettier config.
* Make sure eslint doesn't conflict with prettier
* A few updates post eslint (#4425)
* Prettier command in package.json
