Include screen reader in mesh client

src/freedombone-image-customise

       echo 'dconf write /org/mate/power-manager/lock-hibernate false';
       echo 'dconf write /org/mate/power-manager/lock-keyring-hibernate false';
       echo 'dconf write /org/mate/desktop/peripherals/touchpad/scroll-method 2';
+      echo '#dconf write /org/mate/desktop.a11y.applications/screen-reader-enabled true';
+      echo '#dconf write /org/mate/interface/accessibility true';
+      echo '#dconf write /org/mate/applications-at-visual/startup true';
       echo "touch /home/$MY_USERNAME/.dbus/Xdbus";
       echo "chmod 600 /home/$MY_USERNAME/.dbus/Xdbus";
       echo "env | grep DBUS_SESSION_BUS_ADDRESS > /home/$MY_USERNAME/.dbus/Xdbus";
       echo "echo 'export DBUS_SESSION_BUS_ADDRESS' >> /home/$MY_USERNAME/.dbus/Xdbus";
-
       echo '';
       echo "amixer set 'Master' unmute";
       echo "amixer set 'Master' 50%";
     # for gtk dialog entry
     chroot "$rootdir" apt-get -yq install zenity
 
+    # accessibility
+    chroot "$rootdir" apt-get -yq install orca festival
+
     # Produce a text file on the desktop listing users on the mesh
     cat <<EOF > "$rootdir/usr/bin/list-tox-users"
 #!/bin/bash