[core] App SDK should generate views in the proper format

  File "/home/romain/projects/hue/my_hue/src/my_hue/urls.py", line 18, in <module>
    from django.conf.urls import patterns, url
ImportError: cannot import name patterns

from django.conf.urls import patterns, url

urlpatterns = patterns('my_hue',
  url(r'^$', 'views.index'),
)

from django.conf.urls import url

from my_hue import views

urlpatterns = [
  url(r'^$', views.index, name='index'),
]