[all] Registers implementation started (make REGISTERS=YES)

[sky9x / gruvin9x] Date / Time setting splitted into 2 lines (General Setup Menu)
[sky9x] Baudrate moved to the Hardware screen
[sky9x / gruvin9x] SD Manager better implementation
[sky9x] Short / Long switch press used in Function Switches
[sky9x] Bg Music Pause / Resume

src/menus.cpp

@@ -33,7 +33,11 @@
 
 #include "open9x.h"
 
+#if defined(SDCARD)
+uint16_t s_pgOfs;
+#else
 uint8_t s_pgOfs;
+#endif
 int8_t s_editMode;
 uint8_t s_noHi;
 uint8_t s_noScroll;