upstart: backport patch from upstream upstart to enable rebootcmd functionality

See https://bazaar.launchpad.net/~xnox/upstart/rebootcmd/revision/1433 for more details.

Open-webOS-DCO-1.0-Signed-off-by: Simon Busch <morphis@gravedo.de>
packagegroup-webos-ports-extended: add gstreamer + plugins

Signed-off-by: Simon Busch <morphis@gravedo.de>
webkit-webos: explicitly enable texmap feature

Signed-off-by: Simon Busch <morphis@gravedo.de>
Revert "packagegroup-webos-ports-extended: add gstreamer + plugins"

This reverts commit 872219b83381a12316a7bccd88e2195b309d3bab.