webos-image: Update layer pins for 2014-05-21

meta-webos as of 2014-05-21 09:42:27 -0700

30001e3 webos_version: Split by ';branch=' a bit sooner
3d5dd22 webos-image: libtiff=v4.0.3-0webos1
ae3c9ee webos-image: libpng=v1.6.0-0webos1
2fd4e24 webos-image: libjpeg-turbo=v8d+1.2.1-0webos1

Open-webOS-DCO-1.0-Signed-off-by: Susan Montooth <susan.montooth@lge.com>

Change-Id: Idb4612dd557884750402479bcca32331361b79b3
Reviewed-on: https://g2g.palm.com/5727
Reviewed-by: DCO Verification
Build: Susan Montooth <susan.montooth@lge.com>
Reviewed-by: Build Verification
Reviewed-by: Susan Montooth <susan.montooth@lge.com>
Tested-by: Susan Montooth <susan.montooth@lge.com>