lego1: implement MxTimer + dependencies

LEGO1/mxautolocker.h

@@ -0,0 +1,15 @@
+#ifndef MXAUTOLOCKER_H
+#define MXAUTOLOCKER_H
+
+#include "mxcriticalsection.h"
+
+class MxAutoLocker
+{
+  public:
+    MxAutoLocker(MxCriticalSection* cs);
+    virtual ~MxAutoLocker();
+  private:
+    MxCriticalSection* m_criticalSection;
+};
+
+#endif // MXAUTOLOCKER_H