build-changes: Import build-changes scripts from Juha Kurki

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <martin.jansa@palm.com>
Change-Id: I1db55b8dbbebbcc8d76d599e91a9a1487424babd
Reviewed-on: http://g2g.palm.com/1502
Reviewed-by: Martin Jansa <martin.jansa@palm.com>
Tested-by: Martin Jansa <martin.jansa@palm.com>
Reviewed-by: Susan Montooth <susan.montooth@palm.com>