refactor: Clean up urls.py to prepare for 1.10

- urlpatterns becomes a list
- remove unused imports
- comments

whats_open/website/urls.py

-from django.conf.urls import patterns, include, url
-from website.views import *
+# Django Imports
+from django.conf.urls import include, url
+
+# App Imports
+from .views import CategoryViewSet, FacilityViewSet, ScheduleViewSet
+
+# Other Imports
 from rest_framework.routers import DefaultRouter
-from django.conf.urls.static import static
-from whats_open.settings import local as settings_local
 
-router = DefaultRouter()
-router.register(r'categories', CategoryViewSet)
-router.register(r'facilities', FacilityViewSet)
-router.register(r'schedules', ScheduleViewSet)
-#router.register(r'opentimes', OpenTimeViewSet)
+# Instiantiate our DefaultRouter
+ROUTER = DefaultRouter()
+
+# Register views to the API router
+ROUTER.register(r'categories', CategoryViewSet)
+ROUTER.register(r'facilities', FacilityViewSet)
+ROUTER.register(r'schedules', ScheduleViewSet)
 
-urlpatterns = patterns('website.views',
-    url(r'^api/', include(router.urls)),
-    #url(r'^$', 'facility_grid', name='facility_grid'),
-)
-    #facilities open urls
-    #url(r'^facilities/$', FacilityListView.as_view(), name='faciliites-list'),
-    #url(r'^facilities/(?P<category>)/$', FacilityCategoryListView.as_view(), name='facilities-list-by-cat'),
-    #url(r'^facilities/(?P<slug>)/$', FacilityDetailView.as_view(), name='facilities-detail'),
-    #url(r'^facilities/(?P<on_campus>)/$', FacilityStatusListView.as_view(), name='facilities-list-by-status'),
-    #schedules urls
-    #url(r'^schedule/(?P<pk>)/$', ScheduleDetailView.as_view(), name='schedule-detail'),
-    #opentime urls
-    #url(r'^open-time/(?P<pk>)/$', OpenTimeDetailView.as_view(), name='open-time-detail'),
-#) + static(settings_local.STATIC_URL, document_root=settings_local.STATIC_ROOT)
+urlpatterns = [
+    # /api - Root API URL
+    url(r'^api/', include(ROUTER.urls)),
+]