Update .travis.yml

Author: thijse

.travis.yml

@@ -12,15 +12,15 @@
   "install": [    
   ],
   "script": [
-    "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",
+    "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 /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",
+    "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",