[Azoth Sarin] Set current config in config widget.
[Azoth Sarin] Single "Close" button in Tox ID dialog.
[Azoth Sarin] DoTox() returns the functor value now.
[Azoth Sarin] Free SetToxStatus() returns whether status changed.
[Azoth Sarin] Emit statusChanged() iff changed successfully.
[Azoth Sarin] More logging.
[Azoth Sarin] Added ToxThread::RemoveFriend().
[Azoth Sarin] Support removing friends.