Updated git submodules

Updated git submodules

Project: appc master 2db8ef5e6c440442ba7d3c16142ede201a33d11b

Update DGs for Carbon and remove comments

Update plugins for Carbon CCSDK
Format json
Remove license text comments since json files don't handle comments

Issue-ID: APPC-293
Change-Id: I6a227c804a424b0c3e49c3427391896ea1b06e15
Signed-off-by: Skip Wonnell <skip@att.com>
Add APPC OAM Guide

Added the APPC OAM Guide and updated the index.rst file accordingly

Issue-Id: APPC-298

Change-Id: I412d138bb4fd105c5ef4ea0f84c0d1442c9d7f44
Signed-off-by: Scott Seabolt <js9808@att.com>