Allow sending of message to a single token

For testing data payloads, you can use something like:

function MY_MODULE_form_push_notifications_single_push_form_alter(&$form, &$form_state, $form_id) {

  $form['message']['timestamp'] = array(
    '#type' => 'textfield',
    '#title' => t('Timestamp'),
    '#default_value' => REQUEST_TIME,
  );

}

Oops, my bad about the paths!
As for the form parameters, I copied it over from push_notifications_mass_push_form($form_state).

Using your patch, one cannot send a notification to a token which is not in the DB. Sometimes you just need to quickly check something/test out a new functionality of your mobile apps, and it's much easier to just copy the token over from a production/staging environment, than going through the whole process of connecting a phone to a local env, registering the token to a user and so on (which was the reason for the form in the first place).

Definitely agree on just adding an element to the mass_push_form through, so will work on a patch that meets halfway!

The following patch fixes the paths and adds another permission for accessing the single push page.