Removed unused escape_dictionary() import.  Removed trailing whitespace.
Removed unused escape_dictionary() import.  Removed trailing
whitespace.

inveniosoftware/invenio-records,inveniosoftware/invenio-search,tiborsimko/invenio-records,inveniosoftware/invenio-search,inveniosoftware/invenio-records,tiborsimko/invenio-search,tiborsimko/invenio-records,tiborsimko/invenio-search