fixed fence placement in QwMpmcPopAllLifoStack.h
rename send -> push, receive -> pop, to match standard C++ and boost naming for queues
fixed typo in QwMpmcPopAllLifoStack::push_multiple()
adding single threaded tests for QwMpmcPopAllLifoStack_test.cpp
QmMpscFifoQueue: added push with no check for wasEmpty. added empty() query method
added QwMpscFifoQueue_test.cpp single threaded test
added new tests to msvc project file