Adding django-admin/rake command to set the staff bit

rakefile

@@ -171,6 +171,12 @@ task "django-admin", [:action, :system, :env, :options] => [:predjango] do |t, a
     sh(django_admin(args.system, args.env, args.action, args.options))
 end
 
+desc "Set the staff bit for a user"
+task :set_staff, [:user, :system, :env] do |t, args|
+    args.with_defaults(:env => 'dev', :system => 'lms', :options => '')
+    sh(django_admin(args.system, args.env, 'set_staff', args.user))
+end
+
 task :package do
     FileUtils.mkdir_p(BUILD_DIR)