The purpose of this patch is to edit the 'Introduction' section
of the Four Opens book. It is the first change of a series that
will go through the entire book to make the text read more neutral
and cohesive to make it ready to publish.
Change-Id: I7829fdfa3cca374032cc99cac4cc3479e694b877
Signed-off-by: Ildiko Vancsa <ildiko.vancsa@gmail.com>
0f3e8f2a06