[#1251] Bring resource_preview with Recline.MultiView back

I've named it Data Explorer, as it's more self-explanatory than "Recline
Preview". It works the same way as it used to work, and the plugin is still
named "recline_preview" (might be good to change its name as well).
[#1251] Upgrade Recline to fix filters' support

This was fixed in https://github.com/okfn/recline/issues/425