upgpkg: youtube-dl 2014.08.10-1

Upstream update, Add rtmpdump optdepends (close FS#41483)

git-svn-id: file:///srv/repos/svn-community/svn@117120 9fca08f4-af9d-4005-b8df-a31f2cc04f65
archrelease: copy trunk to community-any

git-svn-id: file:///srv/repos/svn-community/svn@117121 9fca08f4-af9d-4005-b8df-a31f2cc04f65