cmake files added, folder tree reorganized, pack test partially written

src/msgpack_common.h

@@ -0,0 +1,18 @@
+#ifndef COMMON_H
+#define COMMON_H
+
+#include <QVariant>
+
+namespace MsgPack {
+/**
+ * pack some variant to byte array data
+ * when write == false only calculates and returns size
+ * when write == true writes bytes to data, and returns the same size
+ * return type size
+ */
+typedef quint32 (*pack_user_f)(const QVariant &variant, QByteArray &data, bool write);
+
+typedef QVariant (*unpack_user_f)(QByteArray &data);
+}
+
+#endif // COMMON_H