Added section about submodules

Added section about working with submodules as a
doc-team member. The instructions will be tested
once this commit is approved and merged (so I can
delete the tree and start from scratch).

Change-Id: I92edcf534b2b2ebc81167c2e032ed046f69d6716
Issue-Id: DOC-84
Signed-off-by: jsseidel <spence@research.att.com>
3 files changed
tree: 8b8587721b6da30df7d6c74c786599b4e40a3732
  1. docs/
  2. etc/
  3. .gitignore
  4. .gitmodules
  5. .gitreview
  6. LICENSE
  7. tox.ini