Updating toxic/libtoxcore/libsodium
Updating utox (fixing PREFIX too)
Adding qtox. Making libtoxcore propagate libvpx.
Making tox/toxic A/V libs disabled in ARM.
Fix toxic install for DHTnodes and other share files.
Fixing libtoxcore libvpx propagate.
Updating utox/libtoxcore to the latest, to fix utox build.

There was a test failing. I also renamed the attr uTox to utox, for the more
common lowercase in all-packages.
Updating toxic to 0.5.1
Updating lesstif to 0.95.2 (2009).

Some patches can be removed.
I updated it because the scroll wheel was going the oposite direction in ddd.
https://bugs.launchpad.net/ubuntu/+source/ddd/+bug/37664

(cherry picked from commit 0115853aa97ec5d6acbdb48fd2f0db0df43258c1)