Override default method to return no items when there is no query
Override default method to return no items when there is no query

This is not the default behaviour, and I am
unsure of why it is being triggered. It would
be wise to follow this up with the Django
Haystack community.

uccser/cs-unplugged,uccser/cs-unplugged,uccser/cs-unplugged,uccser/cs-unplugged