CBD-1357:  move server-windows-build.bat to /scripts/jenkins/couchbase_server/

Change-Id: I1a034f4e609ecc563cf427b60faac296df17ac2a
Reviewed-on: http://review.couchbase.org/36153
Reviewed-by: Chris Hillery <ceej@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>