CLOUDSTACK-3923: Fix the scripts to select default vpc offering

CLOUDSTACK-3923: Fix the scripts to select default vpc offering

Signed-off-by: Prasanna Santhanam <tsp@apache.org>
(cherry picked from commit 99d8ed9b68e3d480a3d86cb8ecd19c1e9b354dff)
CLOUDSTACK-3916: Fix silly string formatting mistake

Signed-off-by: Prasanna Santhanam <tsp@apache.org>
(cherry picked from commit 8602866063becbe67d001c1f5d778b948eb32fc0)
CLOUDSTACK-3658
Add the upgrade logic to populate the template/volume store ref table from upload table. We wont be using this table anymore.
Signed off by : nitin mehta<nitin.mehta@citrix.com>