On openSUSE, qemu-tools provides qemu-img

Change-Id: I6ab0b7dd871acd6103b15b5fe10350667b72d1a8
Set external ID on br-ex

This will enable Neurtron identify that the external bridge is a
Neutron bridge (this is required for bug 1192883)

Change-Id: I8ad1b0b3d93d5068beec2021abf9afbacf8c48ff
make rejoin-stack.sh keep the same service tags

Currently rejoin-stack.sh can not keep the same screen service tags
as the first you deploy openstack due to that the stack-screenrc lack
proper command to configure screen's hardstatus. just delete the old
stack-screenrc so that function screen_rc can write proper initialize
command into stack-screenrc.

fix bug 1182597

Change-Id: I4cb4c6ded93a5c7b0bd39d65a754ddf86553463d
Set external_network_bridge for the test configuration file

Fixes bug #1203210
Supports blueprint nvp-third-party-support

Change-Id: I21d769b552d31fe099f2773c919e0c7b471399fc
Merge "make rejoin-stack.sh keep the same service tags"
Merge "Set external_network_bridge for the test configuration file"
Merge "On openSUSE, qemu-tools provides qemu-img"
Merge "Set external ID on br-ex"