Changes to model, view and controller components and updates all gui
editors. Removes the configuration panel and tree and replaces with 3
new panels. Updates playlist.xml to a new playlist_v2.xml format.
Removed frequency change listener framework from tuner so that the tuner
controller handles all frequency change interaction.
Updated tuner view to allow selecting tuners for main spectral display
and/or launching a new spectral display by clicking in the tuner table
cell.
configuration and tuner configuration assignment editors. Beginning of
tuner editor panel rework. Removes most of the remaining JTree
configuration pieces. Updates the settings manager to load and save
tuners and refactors all of the tuner configuration management out into
the tuner configuration model.