add lock free queue

test/test.pro

@@ -0,0 +1,12 @@
+QT += core
+QT -= gui
+
+CONFIG += c++11
+
+TARGET = test
+CONFIG += console
+CONFIG -= app_bundle
+
+TEMPLATE = app
+
+SOURCES += main.cpp

test/tst_lfqueue.cpp

@@ -0,0 +1,8 @@
+#include <QCoreApplication>
+
+int main(int argc, char *argv[])
+{
+    QCoreApplication a(argc, argv);
+
+    return a.exec();
+}