Fix incorrect redirection given in "Location: http://host/path "
Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

This partially reverts commit 99ebae0c.
(see http://techbase.kde.org/Development/Tutorials/Solid/Device_Actions)

Hexadecimal bitmasks are easier to read.

This is required by the next commit. This also avoids making two copies
on non-x86 platforms, where USWC optimizations are irrelevant.

Signed-off-by: Rémi Denis-Courmont <remi@remlab.net>

I do not understand why it was disabled in the first place.

This reverts commit c6833294

And removes code from xxcv from core modules