FS-10972: [Verto-Communicator] add (-y) parameter to the verto install script…

FS-10972: [Verto-Communicator] add (-y) parameter to the verto install script debian8-install.sh #resolve

html5/verto/verto_communicator/debian8-install.sh

 #!/bin/bash
 apt-get update
-apt-get install npm nodejs-legacy
+apt-get -y install npm nodejs-legacy
 npm install -g grunt grunt-cli bower
 npm install
 bower --allow-root install