Merge branch 'master' into v7.0

* c491f450 (origin/master, origin/HEAD, master) fix 1005 adding SDN onos_vpls to RO packages
* 7bcadc5c install_osm: fix RELEASE, REPOSITORY and DOCKER_TAG vars
* 25e87d22 install_osm.sh: clean deb repos, but do not remove packages
* ae0784f4 Remove the old osm package at install time
* d7b6ab0f Bug 873 - Robot Automation improvement: Verify NS Instance updated as per changes in osmclient

Change-Id: I8b65de5e0d0628568de626e09d5c22ed4d135ebb
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>