Supply a VERSION in a short form for displays

The long descriptor will still be available in M115

LinuxAddons/bin/generate_version_header_for_marlin

   else
     BRANCH=" $BRANCH"
   fi
-  VERSION=`git describe --tags --first-parent 2>/dev/null` 
+  VERSION=`git describe --tags --first-parent 2>/dev/null`
   if [ "x$VERSION" != "x" ] ; then
-    echo "#define BUILD_VERSION \"$VERSION\"" | sed "s/-/$BRANCH-/" >>"$OUTFILE"
+    echo "#define SHORT_BUILD_VERSION \"$VERSION\"" | sed "s/-.*/$BRANCH\"/" >>"$OUTFILE"
+    echo "#define DETAILED_BUILD_VERSION \"$VERSION\"" | sed "s/-/$BRANCH-/" >>"$OUTFILE"
+  else
+    VERSION=`git describe --tags --first-parent --always 2>/dev/null`
+    echo "#define SHORT_BUILD_VERSION \"$BRANCH\"" >>"$OUTFILE"
+    echo "#define DETAILED_BUILD_VERSION \"${BRANCH}-$VERSION\"" >>"$OUTFILE"
   fi
-  URL=`git config --local --get remote.origin.url | sed "sx.*github.com:xhttps://github.com/x" | sed "sx\.gitx/x"`
+  URL=`git config --local --get remote.origin.url | sed "sx.*github.com.xhttps://github.com/x" | sed "sx\.gitx/x"`
   if [ "x$URL" != "x" ] ; then
     echo "#define SOURCE_CODE_URL  \""$URL"\"" >>"$OUTFILE"
     echo "// Deprecated URL definition" >>"$OUTFILE"

Marlin/Configuration.h

 // build by the user have been successfully uploaded into firmware.
 #define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
 #define SHOW_BOOTSCREEN
-#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
 
 // @section machine

Marlin/Marlin_main.cpp

   MCUSR = 0;
 
   SERIAL_ECHOPGM(MSG_MARLIN);
-  SERIAL_ECHOLNPGM(" " BUILD_VERSION);
+  SERIAL_ECHOLNPGM(" " SHORT_BUILD_VERSION);
 
   #ifdef STRING_DISTRIBUTION_DATE
     #ifdef STRING_CONFIG_H_AUTHOR

Marlin/configurator/config/Configuration.h

 // build by the user have been successfully uploaded into firmware.
 #define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
 #define SHOW_BOOTSCREEN
-#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
 
 // @section machine

Marlin/configurator/config/language.h

   #define SOURCE_CODE_URL "https://github.com/MarlinFirmware/Marlin"
 #endif
 
-#ifndef BUILD_VERSION
-  #define BUILD_VERSION "V1; Sprinter/grbl mashup for gen6"
+#ifndef DETAILED_BUILD_VERSION
+  #error BUILD_VERSION Information must be specified
 #endif
 
 #ifndef MACHINE_UUID
 #define MSG_INVALID_EXTRUDER                "Invalid extruder"
 #define MSG_INVALID_SOLENOID                "Invalid solenoid"
 #define MSG_ERR_NO_THERMISTORS              "No thermistors - no temperature"
-#define MSG_M115_REPORT                     "FIRMWARE_NAME:Marlin " BUILD_VERSION " SOURCE_CODE_URL:" SOURCE_CODE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) " UUID:" MACHINE_UUID "\n"
+#define MSG_M115_REPORT                     "FIRMWARE_NAME:Marlin " DETAILED_BUILD_VERSION " SOURCE_CODE_URL:" SOURCE_CODE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) " UUID:" MACHINE_UUID "\n"
 #define MSG_COUNT_X                         " Count X: "
 #define MSG_ERR_KILLED                      "Printer halted. kill() called!"
 #define MSG_ERR_STOPPED                     "Printer stopped due to errors. Fix the error and use M999 to restart. (Temperature is reset. Set it after restarting)"

Marlin/example_configurations/Felix/Configuration.h

 // build by the user have been successfully uploaded into firmware.
 #define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
 #define SHOW_BOOTSCREEN
-#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
 
 // @section machine

Marlin/example_configurations/Felix/Configuration_DUAL.h

 // build by the user have been successfully uploaded into firmware.
 #define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
 #define SHOW_BOOTSCREEN
-#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
 
 // @section machine

Marlin/example_configurations/Hephestos/Configuration.h

 // build by the user have been successfully uploaded into firmware.
 #define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
 #define SHOW_BOOTSCREEN
-#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
 
 // @section machine

Marlin/example_configurations/K8200/Configuration.h

 // build by the user have been successfully uploaded into firmware.
 #define STRING_CONFIG_H_AUTHOR "(K8200, CONSULitAS)" // Who made the changes.
 #define SHOW_BOOTSCREEN
-#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
 
 // @section machine

Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h

 // build by the user have been successfully uploaded into firmware.
 #define STRING_CONFIG_H_AUTHOR "RepRapWorld.com" // Who made the changes.
 #define SHOW_BOOTSCREEN
-#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
 
 // @section machine

Marlin/example_configurations/RigidBot/Configuration.h

 // build by the user have been successfully uploaded into firmware.
 #define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
 #define SHOW_BOOTSCREEN
-#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
 
 // @section machine

Marlin/example_configurations/SCARA/Configuration.h

 // build by the user have been successfully uploaded into firmware.
 #define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
 #define SHOW_BOOTSCREEN
-#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
 
 // @section machine

Marlin/example_configurations/WITBOX/Configuration.h

 // build by the user have been successfully uploaded into firmware.
 #define STRING_CONFIG_H_AUTHOR "(bq Witbox)" // Who made the changes.
 #define SHOW_BOOTSCREEN
-#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
 
 // @section machine

Marlin/example_configurations/adafruit/ST7565/Configuration.h

 // build by the user have been successfully uploaded into firmware.
 #define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
 #define SHOW_BOOTSCREEN
-#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
 
 // @section machine

Marlin/example_configurations/delta/biv2.5/Configuration.h

 // build by the user have been successfully uploaded into firmware.
 #define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
 #define SHOW_BOOTSCREEN
-#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
 
 // @section machine

Marlin/example_configurations/delta/generic/Configuration.h

 // build by the user have been successfully uploaded into firmware.
 #define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
 #define SHOW_BOOTSCREEN
-#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
 
 // @section machine

Marlin/example_configurations/delta/kossel_mini/Configuration.h

 // build by the user have been successfully uploaded into firmware.
 #define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
 #define SHOW_BOOTSCREEN
-#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
 
 // @section machine

Marlin/example_configurations/delta/kossel_pro/Configuration.h

 // build by the user have been successfully uploaded into firmware.
 #define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
 #define SHOW_BOOTSCREEN
-#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
 
 // @section machine

Marlin/example_configurations/makibox/Configuration.h

 // build by the user have been successfully uploaded into firmware.
 #define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
 #define SHOW_BOOTSCREEN
-#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
 
 // @section machine

Marlin/example_configurations/tvrrug/Round2/Configuration.h

 // build by the user have been successfully uploaded into firmware.
 #define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
 #define SHOW_BOOTSCREEN
-#define STRING_SPLASH_LINE1 BUILD_VERSION // will be shown during bootup in line 1
+#define STRING_SPLASH_LINE1 SHORT_BUILD_VERSION // will be shown during bootup in line 1
 //#define STRING_SPLASH_LINE2 STRING_DISTRIBUTION_DATE // will be shown during bootup in line 2
 
 // @section machine

Marlin/language.h

   #define SOURCE_CODE_URL "https://github.com/MarlinFirmware/Marlin"
 #endif
 
-#ifndef BUILD_VERSION
-  #define BUILD_VERSION "V1; Sprinter/grbl mashup for gen6"
+#ifndef DETAILED_BUILD_VERSION
+  #error BUILD_VERSION Information must be specified
 #endif
 
 #ifndef MACHINE_UUID
 #define MSG_INVALID_EXTRUDER                "Invalid extruder"
 #define MSG_INVALID_SOLENOID                "Invalid solenoid"
 #define MSG_ERR_NO_THERMISTORS              "No thermistors - no temperature"
-#define MSG_M115_REPORT                     "FIRMWARE_NAME:Marlin " BUILD_VERSION " SOURCE_CODE_URL:" SOURCE_CODE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) " UUID:" MACHINE_UUID "\n"
+#define MSG_M115_REPORT                     "FIRMWARE_NAME:Marlin " DETAILED_BUILD_VERSION " SOURCE_CODE_URL:" SOURCE_CODE_URL " PROTOCOL_VERSION:" PROTOCOL_VERSION " MACHINE_TYPE:" MACHINE_NAME " EXTRUDER_COUNT:" STRINGIFY(EXTRUDERS) " UUID:" MACHINE_UUID "\n"
 #define MSG_COUNT_X                         " Count X: "
 #define MSG_ERR_KILLED                      "Printer halted. kill() called!"
 #define MSG_ERR_STOPPED                     "Printer stopped due to errors. Fix the error and use M999 to restart. (Temperature is reset. Set it after restarting)"