Remove duplicate "libpaper" entry.

Signed-off-by: Oliver Tappe <zooey@hirschkaefer.de>
Update Qt, Quassel, and QupZilla packages.

* Additionally, rename Qt from qt4 to libqt4.
* [zooey]: Corrected sorting order.

Signed-off-by: Oliver Tappe <zooey@hirschkaefer.de>