Github user StephanEwen commented on the issue:
https://github.com/apache/flink/pull/2467
This is a useful extension.
I have pinged someone with more web UI experience to take a look at how it
is implemented.
Concerning licenses: Where are the png images for the sliders from? Were
they self-created?
In the case of other binary files, we usually left a text file in the
directory stating the origin and license of the files.
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