#440 upgraded to 1.6.9

Author: jantje

it.baeyens.arduino.core/config/pre_processing_platform_default.txt

@@ -5,7 +5,7 @@ ALT_SIZE_COMMAND="{COMPILER.PATH}{COMPILER.SIZE.CMD}" --format=avr --mcu={BUILD.
 BUILD.VARIANT.PATH={RUNTIME.PLATFORM.PATH}/variants/{BUILD.VARIANT}
 BUILD.CORE.PATH={RUNTIME.PLATFORM.PATH}/cores/{BUILD.CORE}
 archive_file_path={build.path}/{archive_file}
-runtime.IDE.version=10606
+runtime.IDE.version=10609
 build.system.path={RUNTIME.PLATFORM.PATH}/system
 
 #for esp8266 network upload