Rails4: replace deprecated Relation#update_all at CreateCustomFieldsRoles db migration

git-svn-id: http://svn.redmine.org/redmine/trunk@12485 e93f8b46-1217-0410-a6f0-8f06a7374b81
use lambda form in Version model scope (#12499)

git-svn-id: http://svn.redmine.org/redmine/trunk@12486 e93f8b46-1217-0410-a6f0-8f06a7374b81