* 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
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