requirements cleanup: we are Django 1.6 compatible, argparse, wsgiref and
sqlite3database re not direct dependencies, no need to have them here.
Update settings.py with path detection and capability to override settings with
in a settings_local.py file
pep8 for niko/views.py: use 4 space indentation instead of tabs
Switch to bootstrap 3.0.3
Use Django message framework https://docs.djangoproject.com/en/1.6/ref/contrib/messages/
instead of reimplementing ourself something.
Add final slash on voting URL also
Add automatic date when saving a vote