Update a tray icon when a component is removed
Update a tray icon when a component is removed

reviewed by: Josep Ribas
Fixes #1427

flumotion-mirror/flumotion,timvideos/flumotion,timvideos/flumotion,Flumotion/flumotion,Flumotion/flumotion,Flumotion/flumotion,timvideos/flumotion,Flumotion/flumotion,flumotion-mirror/flumotion