[FL-1369, FL-1397, FL-1420] IRDA + SDcard (#513)

* Add saving to SD-Card (not ready yet)
* Add saving to SD-card (done)
* Select previous menu item
* Fix central button
* Fix current_button
* Refactoring
* Add notifications
* [FL-1417] Add IRDA CLI
  CLI commands:
  1) ir_rx
  Receives all IR-trafic, decodes and prints result to stdout
  2) ir_tx <protocol> <address> <command>
  Transmits IR-signal. Address and command are hex-formatted
* Fix BUG with random memory corruption at random time in random place in random universe in random unknown space and time forever amen
* Fix submenu set_selected_item
* Bring protocol order back
* Add TODO sdcard check

firmware/targets/api-hal-include/api-hal-irda.h

@@ -49,6 +49,12 @@ void api_hal_irda_pwm_set(float duty_cycle, float freq);
  */
 void api_hal_irda_pwm_stop();
 
+/**
+ * Check if IRDA is in use now.
+ * @return  false - IRDA is busy, true otherwise.
+ */
+bool api_hal_irda_rx_irq_is_busy(void);
+
 #ifdef __cplusplus
 }
 #endif