Wired in activeamdin
	* activeadmin setup
	* new field on user : superadmin
	* generate superadmin from migration
	* hack willpaginate to work with activeadmin
Customize activeadmin company page.
Routing fix.
Do not depend on unmerged feature
Fix User.find_for_authentication

When company not found by subdomain and there are more companies, do not call
id on nil
Merge branch 'active_admin' into fluenta