Query view / query component

[JohannesLichtenberger]

We need a way to simply query the backend and show the serialized form of the results.

[Rackar]

need an example or picture to understand
and #12

[JohannesLichtenberger]

Basically a textarea where you can write an XQuery/JSONiq query and get the result below pretty printed (either XML fragments or JSON fragments, depending on the database you query).