Fixes local audio levels when peer removed from call. Adds profile-level-id when negotiating video codecs. Fixes login with msn due to server address changes. Reduces the number of times that Jitsi's CaptureDevices get started/stopped in order to, for example, bring down the number of times that (some) webcams flash on and off. When running the x86 setup on Windows x64, does not ask the user whether they are sure they want to continue when the setup is an (automatic) update.