Refactor,update images
* Switch ubuntu|salt-stack to fetch from mirror.mirantis.com/proposed
* ubuntu-16-04 - add openstack builder[inactive stub]
* add info.sh - and enable it in mirror and ubuntu16
* Drop mcp salt repos - we don't use them for build
* switch to release-20180306 ubuntu cloud image
Change-Id: Ic45db3fd2579262b055ecdc54b27a16a837c2dd4
diff --git a/common/ubuntu_info.sh b/common/ubuntu_info.sh
new file mode 100644
index 0000000..903c121
--- /dev/null
+++ b/common/ubuntu_info.sh
@@ -0,0 +1,5 @@
+#!/bin/bash -xe
+
+# Save some basic debug information.
+
+dpkg-query -W -f='${Package}=${Version}\n' >> /var/log/vcp_initial_pkgs.log