Description: returns in $params['content'] an alternate content for /projects page and
in $params['content_type'] the actual content-type to return
+ Hook Name : alt_representations
+ Parameters : $params['script_name'] contains the SCRIPT_NAME (filtered to work only on /projects or /users for the moment)
+ Description: returns alternate representations for a particular page in $params['results'] which is populated by the hook users
+
TODO (nerville) : document display_hierarchy
TODO (lolando ?) : document role_normalize, role_translate_strings, role_has_permission, role_get_setting, list_roles_by_permission
TODO : document project_link_with_tooltip