Moves enabled_module_names param to project attribute so that it can be set through the Project API.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@4645 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/fixtures/roles.yml

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