For #242, move the updating of the POTD sequence into a new signals module. When photos are deleted from the admin changelist in bulk, the individual delete() functions on the photo objects is not called. However, the post_delete signal is called for each object.

"""Admin definitions for the antispam application."""

from django.contrib import admin

from antispam.models import SpamPhrase


class SpamPhraseAdmin(admin.ModelAdmin):
    search_fields = ('phrase', )


admin.site.register(SpamPhrase, SpamPhraseAdmin)