Update DOCKER_TAG in install_osm.sh to use 17

Change-Id: Ia2daa21712a66fe1cacacf08fe173195755f6bbf
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/installers/install_osm.sh b/installers/install_osm.sh
index 453aeab..7a7b831 100755
--- a/installers/install_osm.sh
+++ b/installers/install_osm.sh
@@ -15,7 +15,7 @@
 REPOSITORY_BASE=https://osm-download.etsi.org/repository/osm/debian
 RELEASE=ReleaseSEVENTEEN
 REPOSITORY=stable
-DOCKER_TAG="testing-daily"
+DOCKER_TAG="17"
 DEVOPS_PATH=/usr/share/osm-devops
 
 function usage(){