Squashed 'Libraries/Arduino/' changes from db0d027..2ff23bf

2ff23bf Update library.properties

git-subtree-dir: Libraries/Arduino
git-subtree-split: 2ff23bff475d03202598204878445e841019ae69

Author: Toni Klopfenstein

library.properties

@@ -4,6 +4,6 @@ author=SparkFun Electronics <techsupport@sparkfun.com>
 maintainer=SparkFun Electronics <sparkfun.com>
 sentence=HTU21D temperature and humidity densor breakout.
 paragraph=This is a breadboard friendly breakout board for the Measurement Specialties HTU21D, a high-precision, low-power digital temperature and humidity sensor.
-category=Sensor
+category=Sensors
 url=https://github.com/sparkfun/SparkFun_HTU21D_Breakout_Arduino_Library
-architectures=*
+architectures=*