git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2869 e93f8b46-1217-0410-a6f0-8f06a7374b81
User selection with checkboxes is disabled if there are more than 300 users available (#2993). git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2638 e93f8b46-1217-0410-a6f0-8f06a7374b81