Automation adds release-notes.rst

Add _release_notes hook to allow automation.
Fix non valid release notes characters in content.

Issue-ID: CIMAN-376
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
Change-Id: Id91ee5dcdffca1fcd327cc0ffbd354326a38a46c
1 file changed