webos-image: Layer pins for 2013-06-04

meta-webos as of 2013-06-04 17:31:59 -0700

e4f42a4 webos_qmake5: Fix EXPORT_WEBOS_QMAKE_MACHINE
a2b5173 webos.inc: Add WEBOS_ variables to Build Configuration output
30bb591 webos_cmake: Apply vardepvalue only on new *MACHINE* vars
493f777 webos.inc: Add the build number to the image filenames

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