Prevent event start/end/until values from falling outside the valid year range
Fixed rendering of event tags in search index template; other search tweaks, notes
Removed django.views.static.serve delivery of /tools/ url pattern
Make sure a valid date can be generated by passed day/month/year in frontend calendar views and calendar widget
Merge branch 'invalid-date-404'
Merge branch 'static-file-url'
Merge branch 'event-until-limit'