1.14 release notes: 1.10.x is old stable; 1.9.x is EOL
* docs/release-notes/1.14.html (svn-1.10-old-stable): New subsection. Document that 1.10.x is now the old stable version. (svn-1.9-deprecation): New subsection. Document that 1.9.x is now end of life (EOL).
1.14 release notes: Relative to 1.10, describe nonexperimental changes in 1.13
* docs/release-notes/1.14.html (new-feature-compatibility-table): Add row for 'svnadmin rev-size'. (svnadmin-rev-size, help-hide-experimental, sqlite-omit-wal, mod-dav-svn-twice-hint): New subsections, with text copied from 1.13 release notes and/or log entries from the relevant revisions, and edited for proper flow.