Complete the Gerrit v3.1.13 release notes
Complete the Gerrit v3.1.13 release notes

Change-Id: Ia77c465c9c8d8dc62f3ecdf74bf9d1c6d3969ab0

GerritCodeReview/homepage,GerritCodeReview/homepage,GerritCodeReview/homepage,GerritCodeReview/homepage,GerritCodeReview/homepage