ci.rake: code format cleanup
Adds a CSS class for reorder links (#15307).
Set version to 2.4.0 stable.
Set version to 2.4.0.
Added 2.4-stable branch.
Fixed that rake db:create fails with JRuby (#15218).
Merged r12234 (#15190).
Merged r12245 (#15235).
ci.rake: use 'jdbcsqlite3' for JRuby