logs view adds paging ability

settings.LOGS_PER_PAGE controls logs count per page

logs/urls.py

@@ -0,0 +1,7 @@
+from django.conf.urls import url
+from . import views
+
+urlpatterns = [
+    url(r'^$', views.showlogs, name='showlogs'),
+    url(r'^(?P<page>[0-9]+)/$', views.showlogs, name='showlogspage'),
+]