install.sh: fix docker image building

bash-completion was missing.

Signed-off-by: Mauricio Vasquez B <mauriciovasquezbernal@gmail.com>

Author: mauriciovasquezbernal

scripts/install.sh

@@ -82,7 +82,7 @@ PACKAGES+=" autoconf libtool m4 automake"
 PACKAGES+=" libssl-dev" # needed for certificate based security
 PACKAGES+=" sudo" # needed for pcn-iptables, when building docker image
 PACKAGES+=" kmod" # needed for pcn-iptables, when using lsmod to unload conntrack if not needed
-PACKAGES+=" jq" # needed for polycubectl bash autocompletion
+PACKAGES+=" jq bash-completion" # needed for polycubectl bash autocompletion
 
 if [ "$MODE" == "pcn-k8s" ]; then
   PACKAGES+=" curl" # needed for pcn-k8s to download a binary