Fix the order of signin and signup on features page.

app/views/admin/application_settings/_form.html.haml

@@ -12,13 +12,13 @@
         .checkbox
           = f.label :signup_enabled do
             = f.check_box :signup_enabled
-            Signin enabled
+            Signup enabled
     .form-group
       .col-sm-offset-2.col-sm-10
         .checkbox
           = f.label :signin_enabled do
             = f.check_box :signin_enabled
-            Signup enabled
+            Signin enabled
     .form-group
       .col-sm-offset-2.col-sm-10
         .checkbox