Support loading note names per ChannelNameSet (like GM) in addition to per Patch (like DM5). git-svn-id: svn://localhost/ardour2/branches/3.0@13913 d708f5d6-7413-0410-9779-e7cbd77b26cf
git-svn-id: svn://localhost/ardour2/branches/3.0@13905 d708f5d6-7413-0410-9779-e7cbd77b26cf