Add 'all' option and display labels if selected

[recrwplay]

Allows for the addition of an all option in the products dropdown.

• handles URL.replace depending on whether or not all is selected
• handles URL.replace depending on whether or not localhost is the url.host
• displays labels when all is selected

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[recrwplay]

It wasn't expected as such, but the logic of whether or not it tries to update the URL could be improved.