Show "No %@ Accounts" dialog for Twitter/Facebook when using SLRequest, Social.framework, ACAccountStore and Accounts.framework

gistfile1.m

dispatch_async(dispatch_get_main_queue(), ^{
    SLComposeViewController *composer = [SLComposeViewController composeViewControllerForServiceType: slServiceType];
    composer.view.hidden = YES;
    [self presentViewController: composer animated: NO completion:^{
        [composer.view endEditing: YES];
    }];
});