webos-image: Update layer pins for 2014-02-13

meta-webos as of 2014-02-13 14:26:05 -0800

4728cd4 webos-image: pmlogdaemon=117
598ad1e webos-image: libpbnjson=28,v2.4.0
38707c8 webos-image: luna-service2=174
5ae53b2 webos-image: libpbnjson=27,v2.3.0
547bd30 webos-image: luna-service2=173,v3.6.0

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

Change-Id: Id252c4d26864e8726e0529d06db48e5d653601ad
Reviewed-on: https://g2g.palm.com/4690
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>