Add functionality section of release notes

Add and editorial / doc8 improvements in release notes
Remove submodules for ccsdk/sli core and northbound

Change-Id: I1ae08563e73cd824142508d7598687b3f5031595
Issue-ID: DOC-149
Signed-off-by: Rich Bennett <rb2745@att.com>
4 files changed
tree: 63b52300379a0ee9e4c12028644856bf4dc8a5bd
  1. docs/
  2. etc/
  3. .gitignore
  4. .gitmodules
  5. .gitreview
  6. LICENSE
  7. readthedocs.yml
  8. tox.ini