Ability to close projects (read-only) (#3640).

A new permission (Close/reopen project) is available to give non-admin users the ability to close their projects.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@9883 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/fixtures/roles.yml

@@ -8,6 +8,7 @@ roles_001:
     --- 
     - :add_project
     - :edit_project
+    - :close_project
     - :select_project_modules
     - :manage_members
     - :manage_versions