make.bat: Add convenience option to disable buildinfo

Optional parameter nobuildinfo turns WITH_BUILDINFO Off
which is helpful when doing development.

build_files/windows/parse_arguments.cmd

@@ -70,6 +70,8 @@ if NOT "%1" == "" (
 		shift /1
 	) else if "%1" == "nobuild" (
 		set NOBUILD=1
+	) else if "%1" == "nobuildinfo" (
+		set BUILD_CMAKE_ARGS=%BUILD_CMAKE_ARGS% -DWITH_BUILDINFO=Off
 	) else if "%1" == "pydebug" (
 		set WITH_PYDEBUG=1
 	) else if "%1" == "showhash" (

build_files/windows/show_help.cmd

@@ -17,6 +17,7 @@ echo.
 echo Configuration options
 echo - verbose ^(enable diagnostic output during configuration^)
 echo - with_tests ^(enable building unit tests^)
+echo - nobuildinfo ^(disable buildinfo^)
 echo - noge ^(disable building game engine and player^)
 echo - debug ^(Build an unoptimized debuggable build^)
 echo - packagename [newname] ^(override default cpack package name^)