Removed remaining state definitions in base_list of base.xml.
If you want state info use base_list_state.
Cleaned up some state related definitions in playlistview and playlistpanel
in music-ui.xml and music-base.xml.
Cleand up some state related definitions in streamview and played_tracks_list_panel
in stream-ui.xml.
Added multiline support to the base_list selectedactive and selectedinactive states
by default in base.xml.

modified:   base.xml
modified:   music-base.xml
modified:   music-ui.xml
modified:   stream-ui.xml