Merge remote-tracking branch 'upstream/v10release' into v10release

lib/mac64/include/OpenThreads/Atomic

lib/mac64/include/OpenThreads/Barrier

lib/mac64/include/OpenThreads/Block

lib/mac64/include/OpenThreads/Condition

lib/mac64/include/OpenThreads/Config

lib/mac64/include/OpenThreads/Exports

lib/mac64/include/OpenThreads/Mutex

lib/mac64/include/OpenThreads/ReadWriteMutex

lib/mac64/include/OpenThreads/ReentrantMutex

lib/mac64/include/OpenThreads/ScopedLock

lib/mac64/include/OpenThreads/Thread

lib/mac64/include/OpenThreads/Version

lib/mac64/include/osg/AlphaFunc

lib/mac64/include/osg/AnimationPath

lib/mac64/include/osg/ApplicationUsage

lib/mac64/include/osg/ArgumentParser

lib/mac64/include/osg/Array

lib/mac64/include/osg/ArrayDispatchers

lib/mac64/include/osg/AudioStream

lib/mac64/include/osg/AutoTransform