Adds 2 new permissions for viewing/adding private comments to issues. git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10547 e93f8b46-1217-0410-a6f0-8f06a7374b81
git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10068 e93f8b46-1217-0410-a6f0-8f06a7374b81
git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@10054 e93f8b46-1217-0410-a6f0-8f06a7374b81