Change commit and FW version

Set it to BETA so user will have to confirm on LCD after start up.

Firmware/Configuration.h

@@ -16,8 +16,8 @@ extern uint16_t nPrinterType;
 extern PGM_P sPrinterName;
 
 // Firmware version
-#define FW_VERSION "3.9.0"
-#define FW_COMMIT_NR 3421
+#define FW_VERSION "3.9.1-BETA"
+#define FW_COMMIT_NR 3459
 // FW_VERSION_UNKNOWN means this is an unofficial build.
 // The firmware should only be checked into github with this symbol.
 #define FW_DEV_VERSION FW_VERSION_UNKNOWN
@@ -70,7 +70,7 @@ extern PGM_P sPrinterName;
 //#define STRING_VERSION "1.0.2"
 
 #define STRING_VERSION_CONFIG_H __DATE__ " " __TIME__ // build date and time
-#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
+#define STRING_CONFIG_H_AUTHOR "(FW390+LA_acc_/belt fix)" // Who made the changes.
 
 // SERIAL_PORT selects which serial port should be used for communication with the host.
 // This allows the connection of wireless adapters (for instance) to non-default port pins.