remove unneeded Relation#all from News#latest

git-svn-id: http://svn.redmine.org/redmine/trunk@12540 e93f8b46-1217-0410-a6f0-8f06a7374b81
remove unneeded Relation#all from Project#copy_issues

git-svn-id: http://svn.redmine.org/redmine/trunk@12541 e93f8b46-1217-0410-a6f0-8f06a7374b81
remove unneeded Relation#all from MailHandler#add_watchers

git-svn-id: http://svn.redmine.org/redmine/trunk@12542 e93f8b46-1217-0410-a6f0-8f06a7374b81
code format cleanup ChangesetTest

git-svn-id: http://svn.redmine.org/redmine/trunk@12543 e93f8b46-1217-0410-a6f0-8f06a7374b81