Resolve Dj20 compatibility issues

Temporarily use latest snapshot for esi for dj20

    Correct admin urls include

    Manually correct old ts3 table migration

    Remove obsolete services migrations

    Remove bootstrap pagination package

    Fix url namespacing

allianceauth/services/modules/phpbb3/urls.py

@@ -2,6 +2,8 @@ from django.conf.urls import url, include
 
 from . import views
 
+app_name = 'phpbb3'
+
 module_urls = [
     # Forum Service Control
     url(r'^activate/$', views.activate_forum, name='activate'),
@@ -11,5 +13,5 @@ module_urls = [
 ]
 
 urlpatterns = [
-    url(r'^phpbb3/', include(module_urls, namespace='phpbb3'))
+    url(r'^phpbb3/', include((module_urls, app_name), namespace=app_name))
 ]