rst2pdf:  new version changes options

rst2pdf used to have --first-page-even but newer versions changed that to
--first-page-on-right.  Probably there was a time when both options were
recognized, but that time is long past.

Signed-off-by: Joe MacDonald <joe.macdonald@windriver.com>
samples: Including sample design document

The sample design comes along with an update to the rst2pdf options and a
proper stylesheet.

Signed-off-by: Joe MacDonald <joe.macdonald@windriver.com>