CBD-1425:  use 10.1.2.98 for latestbuilds URLs.

Redirection is keeping from being able to download latestbuild/*/*/file

Change-Id: I36da7693213696dc7f333f421ba51fc7217cebd6
Reviewed-on: http://review.couchbase.org/40631
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>