update arduino-builder to 1.4.0

Author: facchinm

build/build.xml

@@ -94,7 +94,7 @@
 
   <property name="portable" value="false" />
 
-  <property name="ARDUINO-BUILDER-VERSION" value="1.3.25-PR250" />
+  <property name="ARDUINO-BUILDER-VERSION" value="1.4.0" />
   <property name="LIBLISTSERIAL-VERSION" value="1.4.1" />
   <property name="AVRGCC-VERSION" value="5.4.0-atmel3.6.1-arduino2" />
   <property name="AVRDUDE-VERSION" value="6.3.0-arduino14" />