Default installation with K8s instead of swarm

Change-Id: I5b934ced7024e3d926cec865a8a38219454956a4
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/installers/full_install_osm.sh b/installers/full_install_osm.sh
index 77b3fb8..a60898e 100755
--- a/installers/full_install_osm.sh
+++ b/installers/full_install_osm.sh
@@ -1537,7 +1537,7 @@
 INSTALL_NOLXD=""
 INSTALL_NODOCKER=""
 INSTALL_NOJUJU=""
-KUBERNETES=""
+KUBERNETES="y"
 NGUI="y"
 INSTALL_K8S_MONITOR=""
 INSTALL_NOHOSTCLIENT=""
@@ -1586,7 +1586,7 @@
             REPO_ARGS+=(-r "$REPOSITORY")
             ;;
         c)
-            [ "${OPTARG}" == "swarm" ] && continue
+            [ "${OPTARG}" == "swarm" ] && KUBERNETES="" && continue
             [ "${OPTARG}" == "k8s" ] && KUBERNETES="y" && continue
             echo -e "Invalid argument for -i : ' $OPTARG'\n" >&2
             usage && exit 1