Merge in windows branch

3rdparty/CMakeLists.txt

3rdparty/dll/CMakeLists.txt

3rdparty/dll/x64/CMakeLists.txt

3rdparty/dll/x64/pthreadGC2.dll

3rdparty/dll/x64/pthreadVC2.dll

3rdparty/dll/x86/CMakeLists.txt

3rdparty/dll/x86/pthreadGC2.dll

3rdparty/dll/x86/pthreadGCE2.dll

3rdparty/dll/x86/pthreadVC2.dll

3rdparty/dll/x86/pthreadVCE2.dll

3rdparty/dll/x86/pthreadVSE2.dll

3rdparty/include/CMakeLists.txt

3rdparty/include/pthread.h

3rdparty/include/sched.h

3rdparty/include/semaphore.h

3rdparty/include/unistd.h

3rdparty/lib/CMakeLists.txt

3rdparty/lib/x64/CMakeLists.txt

3rdparty/lib/x64/libpthreadGC2.a

3rdparty/lib/x64/pthreadVC2.lib