Initial changes to support document tags

urls.py

@@ -13,6 +13,7 @@ urlpatterns = patterns('',
     (r'^search/', include('dynamic_search.urls')),
     (r'^ocr/', include('ocr.urls')),
     (r'^permissions/', include('permissions.urls')),
+    (r'^tags/', include('tags.urls')),
     (r'^admin/doc/', include('django.contrib.admindocs.urls')),
     (r'^admin/', include(admin.site.urls)),
     (r'^grappelli/', include('grappelli.urls')),