CBD-1425:  RESTORE "https" for git clone commands

Change-Id: I08f62699db886e50a8651a296d4e2c26e4401d53
Reviewed-on: http://review.couchbase.org/40419
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>