Merge

indra/cmake/LLKDU.cmake

indra/llcommon/CMakeLists.txt

indra/llcommon/llframetimer.cpp

indra/llcommon/llmemory.h

indra/llcommon/llmutex.cpp

indra/llcommon/llmutex.h

indra/llcommon/llthreadsafequeue.h

indra/llcommon/lltimer.cpp

indra/llcommon/u64.cpp

indra/llcommon/u64.h

indra/llinventory/llparcel.cpp

indra/llmessage/llnamevalue.cpp

indra/llmessage/llpacketring.cpp

indra/llmessage/llsdmessagebuilder.cpp

indra/llmessage/lltemplatemessagebuilder.cpp

indra/llmessage/lltemplatemessagereader.cpp

indra/llmessage/llxfer.cpp

indra/llmessage/llxfermanager.cpp

indra/llmessage/message.cpp

indra/llplugin/llpluginmessage.cpp