Quando "clico" no botão registrar, a minha pagina esta retornando erro, pelo que entendi é um problema de rota, mas não consegui encontrar ondes esta o erro.

Page not found (404)
Request Method:    GET
Request URL:    http://localhost:8000/registrar/%20method=?csrfmiddlewaretoken=7AeC9Fov8qdRV0mPQaw4beariwqLt8Wk&email=flavio%40flavio.com.br&nome=Flavio+Almeida&senha=&telefone=&nome_empresa=
Using the URLconf defined in connectedin.urls, Django tried these URL patterns, in this order:
^admin/
^ ^$ [name='index']
^ ^perfis/(?P<perfil_id>\d+)$ [name='exibir']
^ ^perfis/(?P<perfil_id>\d+)/convidar$ [name='convidar']
^ ^convite/(?P<convite_id>\d+)/aceitar$ [name='aceitar']
^ ^registrar/$ [name='registrar']
The current URL, registrar/ method=, didn't match any of these.
You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard 404 page.

settings.py
"""
Django settings for connectedin project.

For more information on this file, see
https://docs.djangoproject.com/en/1.7/topics/settings/

For the full list of settings and their values, see
https://docs.djangoproject.com/en/1.7/ref/settings/
"""

# Build paths inside the project like this: os.path.join(BASE_DIR, ...)
import os
BASE_DIR = os.path.dirname(os.path.dirname(__file__))


# Quick-start development settings - unsuitable for production
# See https://docs.djangoproject.com/en/1.7/howto/deployment/checklist/

# SECURITY WARNING: keep the secret key used in production secret!
SECRET_KEY = 'as*0@q2nku!1-*v8(#l4@mrsef_u8+lern%uz#%!^p3ivm)agv'

# SECURITY WARNING: don't run with debug turned on in production!
DEBUG = True

TEMPLATE_DEBUG = True

ALLOWED_HOSTS = []


# Application definition

INSTALLED_APPS = (
    'django.contrib.admin',
    'django.contrib.auth',
    'django.contrib.contenttypes',
    'django.contrib.sessions',
    'django.contrib.messages',
    'django.contrib.staticfiles',
    'perfis',
    'usuarios'
)

MIDDLEWARE_CLASSES = (
    'django.contrib.sessions.middleware.SessionMiddleware',
    'django.middleware.common.CommonMiddleware',
    'django.middleware.csrf.CsrfViewMiddleware',
    'django.contrib.auth.middleware.AuthenticationMiddleware',
    'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
    'django.contrib.messages.middleware.MessageMiddleware',
    'django.middleware.clickjacking.XFrameOptionsMiddleware',
)

ROOT_URLCONF = 'connectedin.urls'

WSGI_APPLICATION = 'connectedin.wsgi.application'


# Database
# https://docs.djangoproject.com/en/1.7/ref/settings/#databases

DATABASES = {
    'default': {
        'ENGINE': 'django.db.backends.sqlite3',
        'NAME': os.path.join(BASE_DIR, 'db.sqlite3'),
    }
}

# Internationalization
# https://docs.djangoproject.com/en/1.7/topics/i18n/

LANGUAGE_CODE = 'en-us'

TIME_ZONE = 'UTC'

USE_I18N = True

USE_L10N = True

USE_TZ = True


# Static files (CSS, JavaScript, Images)
# https://docs.djangoproject.com/en/1.7/howto/static-files/

STATIC_URL = '/static/'

connectedin/usuario/urls.py
from django.conf.urls import patterns, url
from views import RegistrarUsuarioView
urlpatterns = patterns('',
                       #url para a pagina do usuario
                       url(r'^registrar/$', RegistrarUsuarioView.as_view(), name='registrar')
)

# connectedin/connectedin/urls.py
from django.conf.urls import patterns, include, url
from django.contrib import admin

urlpatterns = patterns('',
                       url(r'^admin/', include(admin.site.urls)),
                       url(r'^', include('perfis.urls')),
                       url(r'^', include('usuarios.urls'))

)

connectedin/usuarios/views.py
# -*- coding: UTF-8 -*-
from django.shortcuts import render
from django.views.generic.base import View

class RegistrarUsuarioView(View):
    template_name = 'registrar.html'
    #esta classe é destinada a exibir o formulario para o usuario
    def get(self, request):
        return render(request, self.template_name)
    #esta classa lida com os dados enviados no formulario
    def post(self, request):
        return render(request, self.template_name)

connectedin/usuarios/templates/base_usuario.html
{% load staticfiles %}
<!DOCTYPE html>
<html lang="pt-br">
    <head>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-wifth">
        <title>
            ConnectedIn
        </title>
        <link rel="stylesheet" href="{% static "styles/bootstrap.css"%}">
        <link rel="stylesheet" href="{% static "styles/signin.css"%}">
    </head>
    <body>
          <div class="container">
                <div class="row content">
                        {% block body %}
                        {% endblock %}
                </div>
          </div>
    </body>
</html>

connectedin/usuarios/templates/registrar.html
{% extends "base_usuario.html" %}
{% block body %}
    <form classe="form-signin" action="{% url 'registrar' %} method="post">
        {% csrf_token %}
        <h2 class="form-signin-heading">
            Crie seu usuário
        </h2>
        <input id="id_email" name="email" type="text"
               class="form-control" placeholder="Email *"
               requerid>
        <input id="id_nome" name="nome" type="text"
               class="form-control" placeholder="Nome *"
               requerid>  
        <input id="id_senha" name="senha" type="password"
               class="form-control" placeholder="Senha *"
               requerid>                              
        <input id="id_telefone" name="telefone" type="text"
               class="form-control" placeholder="Telefone">  
        <input id="id_nome_empresa" name="nome_empresa" type="text"
               class="form-control" placeholder="Empresa">   
        <hr/>
        <button class="btn btn-lg btn-primary btn-block" type="submit">
            Registrar
        </button>
    </form>
{% endblock %}