* stable-2.10:
Update version to 2.10.2
Release notes for Gerrit 2.10.2
Do not return 403 when clicking on Gitweb breadcrumb
Add log messages to troubleshoot OAuth/OpenID linking
Remove unused OAuthToken in authorisation URL
OnlineReindexer: log the success/failure numbers on exit
Update replication plugin
OAuth: Allow to link claimed identity to existing accounts
OAuth: Allow to change username
Change-Id: Ia9fc371b9f957c8e0fc3e215084baa3d31dadd41