MP1-4310 : Catch Viz exception when closing MP while musing is running.
MP1-4310 : Add Username to Username dialog in LastFMAuthentication.
MP1-4310 : Fix some exceptions (when user / password are wrong)
MP1-4310 : Fix disposing to make it LasFM.Radio working correctly.
MP1-4310 : Fix null exception in GUILastFMRadio when clicking on element.
Merge remote-tracking branch 'remotes/upstream/MP1-4310-BUG-Last.FM_Radio_next_stream_is_not_played_and_fix_exception' into 1.6.0Fork