make UCS api name better
CLOUDSTACK-3709: UI > Infrastructure menu > Secondary Storage > Cache Storage > detailView > implement Delete action.
CLOUDSTACK-3797: remove duplicate packages from base.sh already in postinstall.sh

Signed-off-by: Prasanna Santhanam <tsp@apache.org>
CLOUDSTACK-3797: Fix wget installation of xs-tools in to the builtin

Signed-off-by: Prasanna Santhanam <tsp@apache.org>