[IMP] Added missed -y option to 'apt-get install'

- In order to automate installation, added -y option to "apt-get
   install" command, as without -y the command enters interactive
   mode with a question below:
     "Do you want to continue? [Y/n]"

V9/odoo_install.sh

@@ -68,9 +68,9 @@ echo -e "\n---- Install python libraries ----"
 sudo pip install gdata
 
 echo -e "\n--- Install other required packages"
-sudo apt-get install node-clean-css
-sudo apt-get install node-less
-sudo apt-get install python-gevent
+sudo apt-get install node-clean-css -y
+sudo apt-get install node-less -y
+sudo apt-get install python-gevent -y
 
 #--------------------------------------------------
 # Install Wkhtmltopdf if needed