Added new KeyboardMouseMultiReport Device ClassDriver demo.

Fixed ReportID not being removed from the feature/out report data array in the HID class driver when Report IDs are used.

Added new MAX() and MIN() convenience macros.

Demos/Device/ClassDriver/makefile

@@ -35,6 +35,9 @@ all:
 	$(MAKE) -C KeyboardMouse clean
 	$(MAKE) -C KeyboardMouse all
 
+	$(MAKE) -C KeyboardMouseMultiReport clean
+	$(MAKE) -C KeyboardMouseMultiReport all
+
 	$(MAKE) -C MassStorage clean
 	$(MAKE) -C MassStorage all