fix CApplicationMessenger::MediaStop() in case no playlistid has been provided
[WIN32] updated mDNSResponder lib to 379.32.1
[WIN32] switched from internal liblame to external (3.99.5) and download it from our mirrors. /lib/liblame can be removed if no one else uses it.
[AE/CA] - no need for the streamsilence / idle suspend stuff on ios - so do it only for osx