Update to meta-webos as of 2013-03-06 18:25:11 -0800

b6ba59f Fix db8 recipe when it compiles with tests
b91d846 Fix overriding of default (emulator) resolution
f539e91 Enable overriding of default (emulator) resolution

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