fix travis?

Author: brentru

.travis.yml

@@ -17,11 +17,11 @@ before_install:
 install:
     - arduino --install-library "Adafruit IO Arduino","Adafruit MQTT Library","ArduinoHttpClient"
     - arduino --install-library "Adafruit Unified Sensor","Adafruit NeoPixel","DHT sensor library"
-    - arduino --install-library "Adafruit BME280 Library", "Adafruit SGP30 Sensor", "Adafruit LIS3DH"
+    - arduino --install-library "Adafruit BME280 Library", "Adafruit SGP30 Sensor", "Adafruit LIS3DH", "Ultrasonic"
 
 script:
     # build ESP8266 target
     # - build_platform esp8266
     # build SAMD target
-    - arduino --install-library "WiFi101, Ethernet"
+    - arduino --install-library "WiFi101", "Ethernet"
     - build_platform zero