Monitor all HID++ reports on wireless device 1

Again, many things were done in this commit such as implementing an
I/O queue, a mutex_queue, and implementing the hidpp::Report class.

I'm expecting commits to be like this until I can get a clean
codebase for the backend.

src/logid/CMakeLists.txt

@@ -12,11 +12,13 @@ add_executable(logid
         logid.cpp
         util.cpp
         DeviceMonitor.cpp
+        backend/Error.cpp
         backend/raw/DeviceMonitor.cpp
         backend/raw/RawDevice.cpp
         backend/hidpp/Device.cpp
         backend/hidpp/Report.cpp
-        backend/dj/Report.cpp)
+        backend/dj/Report.cpp
+        util/mutex_queue.h)
 
 set_target_properties(logid PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})