Update .travis.yml

Author: thijse

.travis.yml

@@ -12,17 +12,16 @@
   "install": [    
   ],
   "script": [
-    "sudo cp -r arduino-1.6.13 /usr/local/share/arduino",
-    "sudo ln -s /usr/local/share/arduino/arduino /usr/local/bin/arduino",
-    "sudo ln -s $PWD /usr/local/share/arduino/libraries/ArduinoLog",
+    "sudo cp -r arduino-1.6.13 /usr/local/share/arduino /dev/null 2>&1",
+    "sudo ln -s /usr/local/share/arduino/arduino /usr/local/bin/arduino /dev/null 2>&1",
+    "sudo ln -s $PWD /usr/local/share/arduino/libraries/ArduinoLog /dev/null 2>&1",
     "arduino --verify --board arduino:avr:uno $PWD/examples/Log/Log.ino",
-    "sudo rm -rf /usr/local/share/arduino",
-    "sudo cp -r arduino-1.8.1 /usr/local/share/arduino",
-    "sudo rm /usr/local/bin/arduino",
-    "sudo ln -s /usr/local/share/arduino/arduino /usr/local/bin/arduino",
-    "sudo ln -s $PWD /usr/local/share/arduino/libraries/ArduinoLog",
-    "arduino --verify --board arduino:avr:uno $PWD/examples/Log/Log.ino",
-
+    "sudo rm -rf /usr/local/share/arduino /dev/null 2>&1",
+    "sudo cp -r arduino-1.8.1 /usr/local/share/arduino /dev/null 2>&1",
+    "sudo rm /usr/local/bin/arduino /dev/null 2>&1",
+    "sudo ln -s /usr/local/share/arduino/arduino /usr/local/bin/arduino /dev/null 2>&1",
+    "sudo ln -s $PWD /usr/local/share/arduino/libraries/ArduinoLog /dev/null 2>&1",
+    "arduino --verify --board arduino:avr:uno $PWD/examples/Log/Log.ino"
   ],
   "group": "stable",
   "dist": "precise",