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

keyboard/ergodox_ez/keymaps/german-manuneo/keymap.c

@@ -1,6 +1,6 @@
 #include "ergodox_ez.h"
 #include "action_layer.h"
-#include "keymap_common.h"
+#include "keymap.h"
 #include "keymap_extras/keymap_german.h"
 
 #define UC_ASYMPTOTICALLY_EQUAL_TO 0

keyboard/ergodox_ez/keymaps/townk_osx/keymap.c

@@ -3,7 +3,7 @@
 #include "action_layer.h"
 #include "action_util.h"
 #include "led.h"
-#include "keymap_common.h"
+#include "keymap.h"
 #include "timer.h"
 
 /*