Merged r13555 (#13608).

git-svn-id: http://svn.redmine.org/redmine/branches/2.6-stable@13627 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13556 (#13673).

git-svn-id: http://svn.redmine.org/redmine/branches/2.6-stable@13628 e93f8b46-1217-0410-a6f0-8f06a7374b81
Merged r13557 (#17744).

git-svn-id: http://svn.redmine.org/redmine/branches/2.6-stable@13629 e93f8b46-1217-0410-a6f0-8f06a7374b81