webos-image: Update layer pins for 2013-04-24

meta-webos-backports as of 2013-04-24 13:57:04 -0700

49354af update-rc.d: Fix interaction with older package.bbclass
1ff8587 update-rc.d: correctly look up the initscript params with overrides

meta-webos as of 2013-04-24 14:49:12 -0700

2a7eb04 webkit-webos: Drop invalid test for gold and add -g1

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