Commit
50373c44cb8c230c08a9c8a3b85ab42999719566
by Sven GothelBug 1270 - Fix OSX El Capitan 10.11 stuttering ; Prefer provided OpenAL
library over system (default)
Default is to utilize provided openal-soft library if possible and if
not overridden by property 'joal.openal.lib'.
Hence returning ALFactory.PREFER_SYSTEM_OPENAL (default: false) in
ALDynamicLibraryBundleInfo.searchToolLibSystemPathFirst().
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This also resolves issues w/ OSX El Capitan 10.11, which provides OpenAL
via 'openal' library name (same as openal-soft) and causes stuttering w/
GLMediaPlayer's ALAudioSink!
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