* Reset 'loaded' state in Featured Product and Category blocks
* Minor code improvements
* Remove state from ApiErrorPlaceholder
* Move getProduct to a HOC
* Undo changes in Featured Category
* Update proptypes
* Move error messages to <ApiErrorPlaceholder>
* Reorder props
* Move lifecycle methods to HOC
* Make <FeaturedProduct> component presentational
* Move withProduct to js/hocs
* Create NAMESPACE constant in utils
* Create getProduct util function
* Set 'error' and 'product' state to null instead of 'false' when they have no value
* Prevent getImageSrcFromProduct and getImageIdFromProduct returning an error when 'product' is not an object
* Add HOC tests
* Use 'toBe' and 'toBeNull' jest expect methods instead of 'toEqual' when possible
* Export HOCs from index
* Move mock implementation to beforeEach