webos-image: Update layer pins for 2014-03-20

meta-webos as of 2014-03-20 10:13:10 -0700

0d79a22 webos-image: luna-service2=178
0f8c17d webos.inc: Invent WEBOS_DISTRO_VERSION_CODENAME

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

Change-Id: I20a9aba0cfc4e8d937c7228d9b1284db5083512c
Reviewed-on: https://g2g.palm.com/5046
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>