Alphabetize setup.cfg

Change-Id: I3868e13c4153028f1d351a126e0df062a8ee5a4c
Signed-off-by: Paul Belanger <paul.belanger@polybeacon.com>
Add documentation for multi-domain support

Change-Id: I8b188904de5f628428652a307f638f3c515d630c
Signed-off-by: Paul Belanger <paul.belanger@polybeacon.com>