Fix for CI issue related to submodule downloading
Fix for CI issue related to submodule downloading

Jenkins slaves can't properly update submodule
because tls verification is failed or github repos is unavailable.
Downloading the submodule from review.openstack.com by http
is more stable solution.

Change-Id: If5394d45aa784a0bb47172e071bb0e61efc050e6

stackforge/fuel-plugin-vmware-dvs,stackforge/fuel-plugin-vmware-dvs,stackforge/fuel-plugin-vmware-dvs,stackforge/fuel-plugin-vmware-dvs