Cleans up quantum/keymap situation, removes extra lufa folders (#416)

* sorts out keycodes

* move midi around

* remove mbed

* replaces keymap with qmk/keymap_common

* fixes keymap.h

* keymap, config, quantum rearrange

* removes unneeded lufa stuff

Makefile

@@ -80,7 +80,8 @@ endif
 SRC += $(KEYBOARD_FILE) \
 	$(KEYMAP_FILE) \
 	$(QUANTUM_DIR)/quantum.c \
-	$(QUANTUM_DIR)/keymap_common.c \
+	$(QUANTUM_DIR)/keymap.c \
+	$(QUANTUM_DIR)/keycode_config.c \
 	$(QUANTUM_DIR)/led.c
 
 ifndef CUSTOM_MATRIX