Use factory startup when detecting blender version

run.sh

@@ -133,14 +133,14 @@ CONFIGURE_SCRIPT="${SCRIPTPATH}/benchmark/configure.py"
 if [ ! -f "${BLENDER_BIN}" ]; then
   FATAL_ERROR "Unable to find Blender executable."
 fi
-BLENDER_VERSION=`${BLENDER_BIN} --version |
+BLENDER_VERSION=`${BLENDER_BIN} --factory-startup --version 2>/dev/null |
                      head -n 1 | sed -r 's/Blender ([0-9]\.[0-9]{2}).*/\1/'`
 PRINT_INFO "Detected Blender version: ${White}${BLENDER_VERSION}${Normal}"
 
 # Detect Python version used by Blender.
-PYTHON_VERSION=`${BLENDER_BIN} -b --python-expr \
+PYTHON_VERSION=`${BLENDER_BIN} --factory-startup -b --python-expr \
             'import platform; print("Python Version: {}" . \
-                format(platform.python_version()))' |
+                format(platform.python_version()))' 2>/dev/null |
         grep "Python Version" |
         sed -r 's/.*\s([0-9]+)\.([0-9]+).*/\1.\2/'`
 PRINT_INFO "Detected Python version: ${White}${PYTHON_VERSION}${Normal}"