AlertProfiles crashes with a UnicodeEncodeError when attempting to save a profile with non-ASCII characters in its name

[lunkwill42]

Seen from Django tracebacks mailed to us (NAV 4.6.1):

Traceback (most recent call last):
  File "/usr/lib/python2.7/dist-packages/django/core/handlers/base.py", line 111, in get_response
    response = wrapped_callback(request, *callback_args, **callback_kwargs)
  File "/usr/lib/python2.7/dist-packages/nav/web/alertprofiles/decorators.py", line 45, in _handler
    return func(request, *args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/nav/web/alertprofiles/views.py", line 312, in profile_save
    'Saved profile {}'.format(profile.name),
UnicodeEncodeError: 'ascii' codec can't encode character u'\xf8' in position 14: ordinal not in range(128)

[lunkwill42]

The profile is properly saved to the db, it's just the creation of the display message for the end user that fails, because unicode :P