gender neutral source comment at app/controllers/projects_controller.rb

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11987 e93f8b46-1217-0410-a6f0-8f06a7374b81
gender neutral source comment at app/models/mailer.rb

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11988 e93f8b46-1217-0410-a6f0-8f06a7374b81
gender neutral source comment at app/models/user.rb

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@11989 e93f8b46-1217-0410-a6f0-8f06a7374b81