title: Horizontal view and Submit button in Crispy form Does not work
body: <p>The Vertical Layout in crispy form is working by default but the horizontal layout for the form and Submit button are not appearing .. i think there is some problem with <code>__init__</code> but the compiler shows it all right </p>
  
  <p>views.py </p>
  
  <pre><code>class sessioncreate(LoginRequiredMixin,CreateView):
  
       model=Sessions
       #fields=['title','abstract','track','speaker']
       form_class=SessionForm
  
       def form_valid(self, form):
           form.save();
           return HttpResponseRedirect('/sessions')
  </code></pre>
  
  <p>form.py</p>
  
  <pre><code>from django.forms import ModelForm
  from app.models import Sessions
  from crispy_forms.helper import FormHelper
  from crispy_forms.layout import Submit
  
  class SesionsForm(ModelForm):
  
      class Meta:
          model=Sessions
          fields=['title','abstract','track','speaker']
  
      def __init__(self, *args, **kwargs):
          super(SessionForm, self).__init__(*args, **kwargs)
          self.helper=FormHelper()
          self.helper.form_class = 'form-horizontal'
          self.helper.label_class = 'col-sm-offset-1 col-sm-2'
          self.helper.field_class = 'col-sm-8'
          self.helper.add_input(Submit('submit', 'Submit'))
  </code></pre>
  
  <p>session_form.html</p>
  
  <pre><code>{% extends 'layout.html' %}
  
  {% load crispy_forms_tags %}
  
  {% block content %}
  &lt;form method="post"&gt;
      {% csrf_token %}
      {% crispy form %}
  &lt;/form&gt;
  {% endblock %} 
  </code></pre>