<form ng-submit="submit()" class="container setup-form">
  <!--TODO use a directive to format all forms the same way-->
  <div step="1" steps-pics></div>

  <div class="row padded">
    <div class="col-xs-12">
      <h1>Name Your Galileo</h1>
    </div>
  </div>

  <div class="row padded">
    <div class="col-xs-12">
      <p>This is the "hostname" that you will use to connect to Galileo on your wifi network later, so remember this name.</p>
    </div>
  </div>

  <div class="row padded">
    <div class="col-xs-12">
      <input ng-model="form.hostname" placeholder="Name" autofocus="true" />
    </div>
  </div>

  <div class="row">
    <input type="submit" class="button wide submit" value="Set Hostname" />
  </div>
</form>

<form ng-submit="submit()" class="container setup-form">
  <!--TODO use a directive to format all forms the same way-->
  <div step="1" steps-pics></div>

  <div class="row padded">
    <div class="col-xs-12">
      <h1>Name Your Galileo</h1>
    </div>
  </div>

  <div class="row padded">
    <div class="col-xs-12">
      <p>This is the "hostname" that you will use to connect to Galileo on your wifi network later, so remember this name.</p>
    </div>
  </div>

  <div class="row padded">
    <div class="col-xs-12">
      <input ng-model="form.hostname" placeholder="Name" autofocus="true" required />
    </div>
  </div>

  <div class="row">
    <input type="submit" class="button wide submit" value="Set Hostname" />
  </div>
</form>

Make hostname a required field.
Make hostname a required field.
