Update urls.py; Change all instances of 'import traq.foo.views.bar' to 'from traq.foo import views as foo'
Update 'import cStringIO' to 'import io.StringIO' for python 3.3
Update settings.py; Remove installed apps no longer supported in Django 1.7 or Python 3.3
Fix inconsistent use of tabs and spaces.
Change all instances of 'print foo' to 'print(foo)' for Python 3.3
Change 'urllib' to 'urllib.parse' for Python 3.3
Change 'get_query_set' to 'get_queryset' for Django 1.8+