upgrade Rails 3.2.13

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11644 e93f8b46-1217-0410-a6f0-8f06a7374b81
fix pt-BR "permission_set_notes_private" translation (#13514)

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11645 e93f8b46-1217-0410-a6f0-8f06a7374b81