Add travis tag for IDE 1.6.5 and Due 1.6.4

.travis.yml

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+sudo: false
+
+language: bash
+
+os:
+  - linux
+
+before_install:
+  - "/sbin/start-stop-daemon --start --quiet --pidfile /tmp/custom_xvfb_99.pid --make-pidfile --background --exec /usr/bin/Xvfb -- :99 -ac -screen 0 1280x1024x16"
+
+before_script:
+  - "export DISPLAY=:99.0"
+  - sleep 3 # give xvfb some time to start
+  - wget http://downloads.arduino.cc/arduino-1.6.5-linux64.tar.xz
+  - tar xf arduino-1.6.5-linux64.tar.xz
+  - mv arduino-1.6.5 $HOME/arduino_ide
+  - mkdir -p $HOME/.arduino15/packages/arduino/hardware/sam
+  - cd $HOME/.arduino15/packages/arduino/hardware/sam
+  - wget http://downloads.arduino.cc/cores/sam-1.6.4.tar.bz2
+  - tar xf sam-1.6.4.tar.bz2
+  - mkdir -p $HOME/.arduino15/packages/arduino/tools/arm-none-eabi-gcc
+  - cd $HOME/.arduino15/packages/arduino/tools/arm-none-eabi-gcc
+  - wget http://downloads.arduino.cc/gcc-arm-none-eabi-4.8.3-2014q1-linux64.tar.gz
+  - tar xf gcc-arm-none-eabi-4.8.3-2014q1-linux64.tar.gz
+  - mv gcc-arm-none-eabi-4.8.3-2014q1 4.8.3-2014q1
+  
+
+script:
+  - cd $TRAVIS_BUILD_DIR
+  - source command.sh
+  - export PATH="$HOME/arduino_ide:$PATH"
+  - arduino --board arduino:sam:arduino_due_x --save-prefs
+  - arduino --get-pref sketchbook.path
+  - build_sketch src/ArduinoDUE/Repetier/Repetier.ino
+
+notifications:
+  email:
+    on_success: change
+    on_failure: change

command.sh

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+#!/bin/bash
+
+function build_sketch()
+{
+	local sketch=$1
+
+	# buld sketch with arudino ide
+	echo -e "\n Build $sketch \n"
+	arduino --verbose --verify $sketch
+
+	# get build result from arduino
+	local re=$?
+
+	# check result
+	if [ $re -ne 0 ]; then
+		echo "Failed to build $sketch"
+		return $re
+	fi
+}