ChangeLog for: 2017-10-15 00:15:57

graphics/vuescan: Updated for version 9.5.89.
libraries/gwenhywfar: Updated for version 4.18.0.
multimedia/MediathekView: Updated for version 13.0.3.
network/you-get: Updated for version 0.4.939.
network/youtube-dl: Updated for version 2017.10.12.
perl/perl-Package-Stash: Fix dep to avoid dependency loop.