Backlight abstraction and other changes (#439)

* redoes matrix pins, abstracts backlight code for B5,6,7

* slimming down keyboard stuff, backlight breathing implemented

* don't call backlight init when no pin

* cleans up user/kb/quantum calls, keyboard files

* fix pvc atomic

* replaces CHANNEL with correct var in breathing

* removes .hexs, updates readmes, updates template

* cleans-up clueboards, readmes to lowercase

* updates readme

keyboards/bantam44/bantam44.c

@@ -1,25 +1 @@
-#include "bantam44.h"
-
-__attribute__ ((weak))
-void matrix_init_user(void) {
-	// leave these blank
-}
-
-__attribute__ ((weak))
-void matrix_scan_user(void) {
-	// leave these blank
-}
-
-void matrix_init_kb(void) {
-	// put your keyboard start-up code here
-	// runs once when the firmware starts up
-
-	matrix_init_user();
-}
-
-void matrix_scan_kb(void) {
-	// put your looping keyboard code here
-	// runs every cycle (a lot)
-
-	matrix_scan_user();
-}
+#include "bantam44.h"

keyboards/bantam44/bantam44.h

@@ -1,10 +1,7 @@
 #ifndef BANTAM44_H
 #define BANTAM44_H
 
-#include "matrix.h"
-#include "keymap.h"
-#include "backlight.h"
-#include <stddef.h>
+#include "quantum.h"
 
 // This a shortcut to help you visually see your layout.
 // The following is an example using the Planck MIT layout
@@ -23,7 +20,4 @@
 	{ K30, K31, K32, KC_NO, K33, KC_NO, K34, KC_NO, K35, K36, K37,   K38   }, \
 }
 
-void matrix_init_user(void);
-void matrix_scan_user(void);
-
 #endif

keyboards/bantam44/readme.md

@@ -3,7 +3,7 @@ Bantam44 keyboard firmware
 
 ## Quantum MK Firmware
 
-For the full Quantum feature list, see [the parent README.md](/README.md).
+For the full Quantum feature list, see [the parent readme.md](/readme.md).
 
 ## Building
 
@@ -15,7 +15,7 @@ Depending on which keymap you would like to use, you will have to compile slight
 To build with the default keymap, simply run `make`.
 
 ### Other Keymaps
-Several version of keymap are available in advance but you are recommended to define your favorite layout yourself. To define your own keymap create file named `<name>.c` and see keymap document (you can find in top README.md) and existent keymap files.
+Several version of keymap are available in advance but you are recommended to define your favorite layout yourself. To define your own keymap create file named `<name>.c` and see keymap document (you can find in top readme.md) and existent keymap files.
 
 To build the firmware binary hex file with a keymap just do `make` with `KEYMAP` option like:
 ```