Silenced arduino core file unzipping (produces more than 7K lines of unnecessary logs)

Author: fpapadopou

scripts/install_dependencies.sh

@@ -2,10 +2,10 @@
 sudo apt-get install -y unzip
 cd ~
 wget https://github.com/codebendercc/arduino-core-files/archive/master.zip
-unzip master.zip
+unzip -q master.zip
 sudo cp -r arduino-core-files-master /opt/codebender/codebender-arduino-core-files
 rm master.zip
 wget https://github.com/codebendercc/external_cores/archive/master.zip
-unzip master.zip
+unzip -q master.zip
 sudo cp -r external_cores-master /opt/codebender/external-core-files
 cd -