make remote channels scrollable
remove local and remote channels
fix unresponsive local vu bug (issue #41)
make prune users/channels list a NamedValueSet instead of ValueTree
subclass Channels and Channel (issue #29) and hide remove channel buttons
refactor remote user/channel creation
refactor NJClient settings into LinJam class (issue #42)
implement remote master mixer controls (issue #34)
show server status in titlebar and customize incoming voting messages
minor bugfixes for winxp