Show snippet TTL as forever if it is (almost) forever
Better use django.conf.timezone.now() instead of datetime.datetime.now()

django.conf.timezone.now() is timezone aware while the good old datetime is not.
Rename Pastebin About page to Help
List previous releases in a more compact four column layout
Use colored table row background, depending on the build status
Delete old about page (was renamed to help.html)
Add back the 'help/' URL prefix for the API info page, fix a 'About' left-over
Use "tabs" on snippet detail page to show highlighted snippet and a plain view
Refactor Pastebin views into class-based-views
Improve and unify 403, 404 and 500 error pages
Cleanup
Add Mezzanine's custom error page handlers to get STATIC_URL resolved in templates
Implement IRC userlist page

This page dynamically reads currently connected IRC usernames from
/var/tmp/irc_userlist which is filled by the IRC bot.
Use django.utils.timezone.now() instead of datetime.now()

This prevents timezone errors in Django. django.utils.timezone.now() is
Timezone aware.
And again, django.utils.timezone.now()