webos-image: Update layer pins for 2013-04-15

meta-webos as of 2013-04-15 16:24:36 -0700

608d8d3 webos-image-devel: add python to devel image
dc0f0ea meta-webos submission: smartkey-hun=4
a2d9bb9 webos-preferred-versions: Prefer connman 1.4
6d3681c Remove execute permissions from non-executable files

meta-webos-backports as of 2013-04-15 13:19:20 -0700

2483397 icecc: Import newer version from oe-core
80e165b connman: Import version 1.12 from upstream oe-core

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