[rfc][icedtea-web][itweb-settings] Improve Icedtea-Web cache disk space

[Jiri Vanek]

...
>
> No no, do not start playing around with visible and hidden UI components. It is even worse when they
> change their layout or start jumping around like it is now. Generally, there is never any need to
...
> @helpcrypto
> Yes, it is against basic UI design principles to have hiding UI components, unless there are really
> good reasons to do so. Please do not start giving advice on something you do not know or have no
> experience in. This only confuses young or new developers.
>
indeed :D

https://bugzilla.redhat.com/show_bug.cgi?id=1136192


J:)